572667620 has 48 divisors (see below), whose sum is σ = 1376258688. Its totient is φ = 196078080.

The previous prime is 572667607. The next prime is 572667637. The reversal of 572667620 is 26766275.

It is a happy 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, 121019 + ... + 125661.

It is an arithmetic number, because the mean of its divisors is an integer number (28672056).

Almost surely, 2^572667620 is an apocalyptic number.

It is an amenable number.

572667620 is an abundant number, since it is smaller than the sum of its proper divisors (803591068).

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

572667620 is a wasteful number, since it uses less digits than its factorization.

572667620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5540 (or 5538 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 572667620 is about 23930.4747132187. The cubic root of 572667620 is about 830.4258810180.

The spelling of 572667620 in words is "five hundred seventy-two million, six hundred sixty-seven thousand, six hundred twenty".