872706172 has 24 divisors (see below), whose sum is σ = 1697773952. Its totient is φ = 389793600.

The previous prime is 872706139. The next prime is 872706221. The reversal of 872706172 is 271607278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269079 + ... + 272302.

Almost surely, 2^872706172 is an apocalyptic number.

It is an amenable number.

872706172 is a deficient number, since it is larger than the sum of its proper divisors (825067780).

872706172 is a wasteful number, since it uses less digits than its factorization.

872706172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541429 (or 541427 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 40.

The square root of 872706172 is about 29541.6007013838. The cubic root of 872706172 is about 955.6290628046.

The spelling of 872706172 in words is "eight hundred seventy-two million, seven hundred six thousand, one hundred seventy-two".