572721652 has 12 divisors (see below), whose sum is σ = 1034594176. Its totient is φ = 277123320.

The previous prime is 572721647. The next prime is 572721691. The reversal of 572721652 is 256127275.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2309238 + ... + 2309485.

Almost surely, 2^572721652 is an apocalyptic number.

It is an amenable number.

572721652 is a deficient number, since it is larger than the sum of its proper divisors (461872524).

572721652 is a wasteful number, since it uses less digits than its factorization.

572721652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4618758 (or 4618756 counting only the distinct ones).

The product of its digits is 58800, while the sum is 37.

The square root of 572721652 is about 23931.6036236605. The cubic root of 572721652 is about 830.4519974822.

The spelling of 572721652 in words is "five hundred seventy-two million, seven hundred twenty-one thousand, six hundred fifty-two".