572617520 has 20 divisors (see below), whose sum is σ = 1331335920. Its totient is φ = 229046976.

The previous prime is 572617483. The next prime is 572617531. The reversal of 572617520 is 25716275.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3578780 + ... + 3578939.

It is an arithmetic number, because the mean of its divisors is an integer number (66566796).

Almost surely, 2^572617520 is an apocalyptic number.

It is an amenable number.

572617520 is an abundant number, since it is smaller than the sum of its proper divisors (758718400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

572617520 is a wasteful number, since it uses less digits than its factorization.

572617520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7157732 (or 7157726 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 572617520 is about 23929.4279079129. The cubic root of 572617520 is about 830.4016636253.

The spelling of 572617520 in words is "five hundred seventy-two million, six hundred seventeen thousand, five hundred twenty".