572118868 has 6 divisors (see below), whose sum is σ = 1001208026. Its totient is φ = 286059432.

The previous prime is 572118851. The next prime is 572118977. The reversal of 572118868 is 868811275.

It can be written as a sum of positive squares in only one way, i.e., 333354564 + 238764304 = 18258^2 + 15452^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71514855 + ... + 71514862.

Almost surely, 2^572118868 is an apocalyptic number.

It is an amenable number.

572118868 is a deficient number, since it is larger than the sum of its proper divisors (429089158).

572118868 is a wasteful number, since it uses less digits than its factorization.

572118868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143029721 (or 143029719 counting only the distinct ones).

The product of its digits is 215040, while the sum is 46.

The square root of 572118868 is about 23919.0064174915. The cubic root of 572118868 is about 830.1605476435.

The spelling of 572118868 in words is "five hundred seventy-two million, one hundred eighteen thousand, eight hundred sixty-eight".