872131072 has 20 divisors (see below), whose sum is σ = 1742559786. Its totient is φ = 436065280.

The previous prime is 872131067. The next prime is 872131081. The reversal of 872131072 is 270131278.

872131072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 704583936 + 167547136 = 26544^2 + 12944^2 .

It is a super-2 number, since 2×872131072² = 1521225213495738368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 851179 + ... + 852202.

Almost surely, 2^872131072 is an apocalyptic number.

It is an amenable number.

872131072 is a deficient number, since it is larger than the sum of its proper divisors (870428714).

872131072 is an equidigital number, since it uses as much as digits as its factorization.

872131072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703399 (or 1703383 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 872131072 is about 29531.8653660753. The cubic root of 872131072 is about 955.4191017059.

It can be divided in two parts, 8721 and 31072, that added together give a palindrome (39793).

The spelling of 872131072 in words is "eight hundred seventy-two million, one hundred thirty-one thousand, seventy-two".