572206636 has 12 divisors (see below), whose sum is σ = 1001973280. Its totient is φ = 285928560.

The previous prime is 572206573. The next prime is 572206639. The reversal of 572206636 is 636602275.

It is a junction number, because it is equal to n+sod(n) for n = 572206595 and 572206604.

It is not an unprimeable number, because it can be changed into a prime (572206639) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 36180 + ... + 49531.

Almost surely, 2^572206636 is an apocalyptic number.

It is an amenable number.

572206636 is a deficient number, since it is larger than the sum of its proper divisors (429766644).

572206636 is a wasteful number, since it uses less digits than its factorization.

572206636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87384 (or 87382 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 572206636 is about 23920.8410387260. The cubic root of 572206636 is about 830.2029967506.

The spelling of 572206636 in words is "five hundred seventy-two million, two hundred six thousand, six hundred thirty-six".