57470440 has 32 divisors (see below), whose sum is σ = 136116000. Its totient is φ = 21777984.

The previous prime is 57470437. The next prime is 57470443. The reversal of 57470440 is 4407475.

It is an interprime number because it is at equal distance from previous prime (57470437) and next prime (57470443).

It is not an unprimeable number, because it can be changed into a prime (57470443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37050 + ... + 38569.

It is an arithmetic number, because the mean of its divisors is an integer number (4253625).

Almost surely, 2^57470440 is an apocalyptic number.

It is an amenable number.

57470440 is an abundant number, since it is smaller than the sum of its proper divisors (78645560).

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

57470440 is a wasteful number, since it uses less digits than its factorization.

57470440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75649 (or 75645 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 57470440 is about 7580.9260648024. The cubic root of 57470440 is about 385.9059790513.

The spelling of 57470440 in words is "fifty-seven million, four hundred seventy thousand, four hundred forty".