72866168 has 16 divisors (see below), whose sum is σ = 139531680. Its totient is φ = 35657728.

The previous prime is 72866137. The next prime is 72866177. The reversal of 72866168 is 86166827.

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, 96521 + ... + 97272.

It is an arithmetic number, because the mean of its divisors is an integer number (8720730).

Almost surely, 2^72866168 is an apocalyptic number.

It is an amenable number.

72866168 is a deficient number, since it is larger than the sum of its proper divisors (66665512).

72866168 is a wasteful number, since it uses less digits than its factorization.

72866168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193846 (or 193842 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 72866168 is about 8536.1682270208. The cubic root of 72866168 is about 417.6783618843.

The spelling of 72866168 in words is "seventy-two million, eight hundred sixty-six thousand, one hundred sixty-eight".