572249636 has 36 divisors (see below), whose sum is σ = 1166433408. Its totient is φ = 244934928.

The previous prime is 572249627. The next prime is 572249647. The reversal of 572249636 is 636942275.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214865 + ... + 217511.

It is an arithmetic number, because the mean of its divisors is an integer number (32400928).

Almost surely, 2^572249636 is an apocalyptic number.

It is an amenable number.

572249636 is an abundant number, since it is smaller than the sum of its proper divisors (594183772).

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

572249636 is a wasteful number, since it uses less digits than its factorization.

572249636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768 (or 3759 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The square root of 572249636 is about 23921.7398196703. The cubic root of 572249636 is about 830.2237921722.

The spelling of 572249636 in words is "five hundred seventy-two million, two hundred forty-nine thousand, six hundred thirty-six".