572981724 has 72 divisors (see below), whose sum is σ = 1695683808. Its totient is φ = 159713280.

The previous prime is 572981693. The next prime is 572981729. The reversal of 572981724 is 427189275.

It is a happy number.

572981724 is a `hidden beast` number, since 572 + 9 + 8 + 1 + 72 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 572981724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572981729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17397 + ... + 38060.

It is an arithmetic number, because the mean of its divisors is an integer number (23551164).

Almost surely, 2^572981724 is an apocalyptic number.

It is an amenable number.

572981724 is an abundant number, since it is smaller than the sum of its proper divisors (1122702084).

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

572981724 is a wasteful number, since it uses less digits than its factorization.

572981724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55515 (or 55510 counting only the distinct ones).

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

The square root of 572981724 is about 23937.0366587011. The cubic root of 572981724 is about 830.5776807745.

The spelling of 572981724 in words is "five hundred seventy-two million, nine hundred eighty-one thousand, seven hundred twenty-four".