57420716 has 12 divisors (see below), whose sum is σ = 100938432. Its totient is φ = 28581168.

The previous prime is 57420689. The next prime is 57420731. The reversal of 57420716 is 61702475.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct 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, 31295 + ... + 33078.

It is an arithmetic number, because the mean of its divisors is an integer number (8411536).

Almost surely, 2^57420716 is an apocalyptic number.

It is an amenable number.

57420716 is a deficient number, since it is larger than the sum of its proper divisors (43517716).

57420716 is a wasteful number, since it uses less digits than its factorization.

57420716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64600 (or 64598 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 57420716 is about 7577.6458085609. The cubic root of 57420716 is about 385.7946503655.

The spelling of 57420716 in words is "fifty-seven million, four hundred twenty thousand, seven hundred sixteen".