57274436 has 12 divisors (see below), whose sum is σ = 105505680. Its totient is φ = 27129960.

The previous prime is 57274433. The next prime is 57274471. The reversal of 57274436 is 63447275.

It is a super-2 number, since 2×57274436² = 6560722038236192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 57274436.

It is not an unprimeable number, because it can be changed into a prime (57274433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376730 + ... + 376881.

It is an arithmetic number, because the mean of its divisors is an integer number (8792140).

Almost surely, 2^57274436 is an apocalyptic number.

It is an amenable number.

57274436 is a deficient number, since it is larger than the sum of its proper divisors (48231244).

57274436 is a wasteful number, since it uses less digits than its factorization.

57274436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753634 (or 753632 counting only the distinct ones).

The product of its digits is 141120, while the sum is 38.

The square root of 57274436 is about 7567.9875792710. The cubic root of 57274436 is about 385.4667661948.

The spelling of 57274436 in words is "fifty-seven million, two hundred seventy-four thousand, four hundred thirty-six".