57740432 has 20 divisors (see below), whose sum is σ = 118453356. Its totient is φ = 27171840.

The previous prime is 57740407. The next prime is 57740489. The reversal of 57740432 is 23404775.

It can be written as a sum of positive squares in 2 ways, for example, as 51609856 + 6130576 = 7184^2 + 2476^2 .

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105869 + ... + 106412.

Almost surely, 2^57740432 is an apocalyptic number.

It is an amenable number.

57740432 is an abundant number, since it is smaller than the sum of its proper divisors (60712924).

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

57740432 is a wasteful number, since it uses less digits than its factorization.

57740432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212306 (or 212300 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 57740432 is about 7598.7125225264. The cubic root of 57740432 is about 386.5093546891.

The spelling of 57740432 in words is "fifty-seven million, seven hundred forty thousand, four hundred thirty-two".