872694720 has 84 divisors (see below), whose sum is σ = 3001716120. Its totient is φ = 232717824.

The previous prime is 872694701. The next prime is 872694737. The reversal of 872694720 is 27496278.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148630 + ... + 154389.

Almost surely, 2^872694720 is an apocalyptic number.

872694720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

872694720 is an abundant number, since it is smaller than the sum of its proper divisors (2129021400).

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

872694720 is a wasteful number, since it uses less digits than its factorization.

872694720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303042 (or 303029 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 872694720 is about 29541.4068723885. The cubic root of 872694720 is about 955.6248827372.

The spelling of 872694720 in words is "eight hundred seventy-two million, six hundred ninety-four thousand, seven hundred twenty".