572808645 has 32 divisors (see below), whose sum is σ = 1025792640. Its totient is φ = 303258240.

The previous prime is 572808641. The next prime is 572808653. The reversal of 572808645 is 546808275.

It is not a de Polignac number, because 572808645 - 2² = 572808641 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 572808645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572808641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3010 + ... + 33980.

It is an arithmetic number, because the mean of its divisors is an integer number (32056020).

Almost surely, 2^572808645 is an apocalyptic number.

It is an amenable number.

572808645 is a deficient number, since it is larger than the sum of its proper divisors (452983995).

572808645 is a wasteful number, since it uses less digits than its factorization.

572808645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31122 (or 31116 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 572808645 is about 23933.4210885114. The cubic root of 572808645 is about 830.4940422537.

The spelling of 572808645 in words is "five hundred seventy-two million, eight hundred eight thousand, six hundred forty-five".