57073689 has 6 divisors (see below), whose sum is σ = 82439786. Its totient is φ = 38049120.

The previous prime is 57073637. The next prime is 57073699. The reversal of 57073689 is 98637075.

It is a happy number.

57073689 is a `hidden beast` number, since 570 + 73 + 6 + 8 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 32867289 + 24206400 = 5733^2 + 4920^2 .

It is not a de Polignac number, because 57073689 - 2¹³ = 57065497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57073609) 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, 3170752 + ... + 3170769.

Almost surely, 2^57073689 is an apocalyptic number.

It is an amenable number.

57073689 is a deficient number, since it is larger than the sum of its proper divisors (25366097).

57073689 is a wasteful number, since it uses less digits than its factorization.

57073689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6341527 (or 6341524 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 57073689 is about 7554.7130322733. The cubic root of 57073689 is about 385.0158851038.

The spelling of 57073689 in words is "fifty-seven million, seventy-three thousand, six hundred eighty-nine".