872668 has 12 divisors (see below), whose sum is σ = 1580040. Its totient is φ = 421232.

The previous prime is 872659. The next prime is 872671. The reversal of 872668 is 866278.

872668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3646 + ... + 3877.

It is an arithmetic number, because the mean of its divisors is an integer number (131670).

2⁸⁷²⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

872668 is a deficient number, since it is larger than the sum of its proper divisors (707372).

872668 is a wasteful number, since it uses less digits than its factorization.

872668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7556 (or 7554 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 872668 is about 934.1670086232. The cubic root of 872668 is about 95.5615129591.

It can be divided in two parts, 872 and 668, that added together give a triangular number (1540 = T₅₅).

The spelling of 872668 in words is "eight hundred seventy-two thousand, six hundred sixty-eight".