72867356 has 24 divisors (see below), whose sum is σ = 137862480. Its totient is φ = 33581952.

The previous prime is 72867349. The next prime is 72867383. The reversal of 72867356 is 65376827.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 10145 + ... + 15768.

It is an arithmetic number, because the mean of its divisors is an integer number (5744270).

Almost surely, 2^72867356 is an apocalyptic number.

72867356 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

72867356 is a deficient number, since it is larger than the sum of its proper divisors (64995124).

72867356 is a wasteful number, since it uses less digits than its factorization.

72867356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25973 (or 25971 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The square root of 72867356 is about 8536.2378129947. The cubic root of 72867356 is about 417.6806317955.

The spelling of 72867356 in words is "seventy-two million, eight hundred sixty-seven thousand, three hundred fifty-six".