57740408 has 16 divisors (see below), whose sum is σ = 118105560. Its totient is φ = 26245600.

The previous prime is 57740407. The next prime is 57740489. The reversal of 57740408 is 80404775.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57740407) 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, 327983 + ... + 328158.

Almost surely, 2^57740408 is an apocalyptic number.

It is an amenable number.

57740408 is an abundant number, since it is smaller than the sum of its proper divisors (60365152).

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

57740408 is a wasteful number, since it uses less digits than its factorization.

57740408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656158 (or 656154 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 57740408 is about 7598.7109433114. The cubic root of 57740408 is about 386.5093011378.

The spelling of 57740408 in words is "fifty-seven million, seven hundred forty thousand, four hundred eight".