274 (two hundred [and] seventy-four) is the natural number following 273 and preceding 275.

• 274 is an even composite number.^[1]
• 274's sum of its proper divisors is 140.^[2]
• The number 274 is the 13th tribonacci number. This is defined by the equations P(0)=P(1)=0 P(2)=1 and P(n)=P(n-1)+P(n-2)+P(n-3).^[3]
• 274 is the sum of 5 perfect cubes. It is the sum of 2³+2³+2³+5³+5³.
• 274 is a Stirling number of the first kind which counts the number of permutations and their number of cycles.^[4]

• The number 274 is an area code in Northeast Wisconsin. The previous code in this area was 920 and the switch was made in May 2023.^[5]
• MiR-274 is a type of microRNA which can mediate the communication between certain organs and tissues. This one in particular is used between neurons and tracheal cells.^[6]
• The Heinkel He 274 was a German Bomber that was created during World War II. It was designed for long-distance trips to disrupt American involvement in Europe.^[7]

• On June 2, 2021, Namco received a Guinness World Record by releasing its 274th intellectual property license in a single role-playing game series.^[8]
• On July 13, 2019, 274 participants participated in a perfume appreciation relay race. Bath & Body Works (USA) received the record for organizing this event.^[9]
• On April 15, 2023, Ronald Sarchain received the Guinness World Record for snapping 274 chopsticks using karate chops in one minute.^[10]
• On September 14, 2013, Kabushikigaisha Shiseido Kamakurakoujou received the Guinness World Record for organizing an event in Fujisawa, Japan, where 274 people were painting their toenails simultaneously.^[11]
• On April 19, 2022, Fayis Nazer achieved 274 hula hoop rotations on one arm in one minute in Abu Dhabi.^[12]

• The calendar years 274 AD and 274 BC.
• In the French Republican calendar, The year 274 would be a year 9 cycle and be in 2064.^[13]
• 274 is the number of several highways in Canada, Japan, and the United States