572215920 has 80 divisors (see below), whose sum is σ = 1878228000. Its totient is φ = 143613952.

The previous prime is 572215877. The next prime is 572215933. The reversal of 572215920 is 29512275.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66045 + ... + 74204.

It is an arithmetic number, because the mean of its divisors is an integer number (23477850).

Almost surely, 2^572215920 is an apocalyptic number.

It is an amenable number.

572215920 is an abundant number, since it is smaller than the sum of its proper divisors (1306012080).

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

572215920 is a wasteful number, since it uses less digits than its factorization.

572215920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140282 (or 140276 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 572215920 is about 23921.0350946609. The cubic root of 572215920 is about 830.2074867154.

The spelling of 572215920 in words is "five hundred seventy-two million, two hundred fifteen thousand, nine hundred twenty".