57740715 has 32 divisors (see below), whose sum is σ = 108057600. Its totient is φ = 29172960.

The previous prime is 57740707. The next prime is 57740719. The reversal of 57740715 is 51704775.

It is not a de Polignac number, because 57740715 - 2³ = 57740707 is a prime.

It is a super-2 number, since 2×57740715² = 6667980337422450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57740715.

It is not an unprimeable number, because it can be changed into a prime (57740719) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8691 + ... + 13820.

It is an arithmetic number, because the mean of its divisors is an integer number (3376800).

Almost surely, 2^57740715 is an apocalyptic number.

57740715 is a deficient number, since it is larger than the sum of its proper divisors (50316885).

57740715 is a wasteful number, since it uses less digits than its factorization.

57740715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22544 (or 22538 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 36.

The square root of 57740715 is about 7598.7311440793. The cubic root of 57740715 is about 386.5099861471.

The spelling of 57740715 in words is "fifty-seven million, seven hundred forty thousand, seven hundred fifteen".