274

274 is an even composite number.
274's sum of its proper divisors is 140.
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).
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.