274492152 has 160 divisors (see below), whose sum is σ = 849507120. Its totient is φ = 82114560.

The previous prime is 274492151. The next prime is 274492157. The reversal of 274492152 is 251294472.

It is a super-2 number, since 2×274492152² = 150691883019182208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274492151) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 691218 + ... + 691614.

Almost surely, 2^274492152 is an apocalyptic number.

274492152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274492152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424753560).

274492152 is an abundant number, since it is smaller than the sum of its proper divisors (575014968).

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

274492152 is a wasteful number, since it uses less digits than its factorization.

274492152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 510 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 274492152 is about 16567.8046825764. The cubic root of 274492152 is about 649.8951720495.

The spelling of 274492152 in words is "two hundred seventy-four million, four hundred ninety-two thousand, one hundred fifty-two".