72907874 has 32 divisors (see below), whose sum is σ = 120839040. Its totient is φ = 32787072.

The previous prime is 72907867. The next prime is 72907949. The reversal of 72907874 is 47870927.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202907 + ... + 203265.

It is an arithmetic number, because the mean of its divisors is an integer number (3776220).

Almost surely, 2^72907874 is an apocalyptic number.

72907874 is a deficient number, since it is larger than the sum of its proper divisors (47931166).

72907874 is a wasteful number, since it uses less digits than its factorization.

72907874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554.

The product of its (nonzero) digits is 197568, while the sum is 44.

The square root of 72907874 is about 8538.6107769356. The cubic root of 72907874 is about 417.7580347596.

The spelling of 72907874 in words is "seventy-two million, nine hundred seven thousand, eight hundred seventy-four".