274290 has 32 divisors (see below), whose sum is σ = 677376. Its totient is φ = 71040.

The previous prime is 274283. The next prime is 274301. The reversal of 274290 is 92472.

It is a self number, because there is not a number n which added to its sum of digits gives 274290.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1119 + ... + 1341.

It is an arithmetic number, because the mean of its divisors is an integer number (21168).

2²⁷⁴²⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338688).

274290 is an abundant number, since it is smaller than the sum of its proper divisors (403086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

274290 is a wasteful number, since it uses less digits than its factorization.

274290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 274290 is about 523.7270281358. The cubic root of 274290 is about 64.9735592656.

The spelling of 274290 in words is "two hundred seventy-four thousand, two hundred ninety".