572872491 has 12 divisors (see below), whose sum is σ = 828777768. Its totient is φ = 381317184.

The previous prime is 572872483. The next prime is 572872493. The reversal of 572872491 is 194278275.

It is a happy number.

572872491 is a `hidden beast` number, since 572 + 8 + 72 + 4 + 9 + 1 = 666.

It is not a de Polignac number, because 572872491 - 2³ = 572872483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (572872493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43710 + ... + 55283.

It is an arithmetic number, because the mean of its divisors is an integer number (69064814).

Almost surely, 2^572872491 is an apocalyptic number.

572872491 is a deficient number, since it is larger than the sum of its proper divisors (255905277).

572872491 is a wasteful number, since it uses less digits than its factorization.

572872491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99642 (or 99639 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 572872491 is about 23934.7548765388. The cubic root of 572872491 is about 830.5248970911.

The spelling of 572872491 in words is "five hundred seventy-two million, eight hundred seventy-two thousand, four hundred ninety-one".