57307707 has 6 divisors (see below), whose sum is σ = 82777812. Its totient is φ = 38205132.

The previous prime is 57307687. The next prime is 57307717. The reversal of 57307707 is 70770375.

It is a happy number.

It is not a de Polignac number, because 57307707 - 2⁶ = 57307643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57307717) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3183753 + ... + 3183770.

It is an arithmetic number, because the mean of its divisors is an integer number (13796302).

Almost surely, 2^57307707 is an apocalyptic number.

57307707 is a deficient number, since it is larger than the sum of its proper divisors (25470105).

57307707 is a wasteful number, since it uses less digits than its factorization.

57307707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6367529 (or 6367526 counting only the distinct ones).

The product of its (nonzero) digits is 36015, while the sum is 36.

The square root of 57307707 is about 7570.1854006358. The cubic root of 57307707 is about 385.5413915898.

The spelling of 57307707 in words is "fifty-seven million, three hundred seven thousand, seven hundred seven".