72912675 has 24 divisors (see below), whose sum is σ = 131509440. Its totient is φ = 35351200.

The previous prime is 72912667. The next prime is 72912727. The reversal of 72912675 is 57621927.

It is not a de Polignac number, because 72912675 - 2³ = 72912667 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43365 + ... + 45014.

It is an arithmetic number, because the mean of its divisors is an integer number (5479560).

Almost surely, 2^72912675 is an apocalyptic number.

72912675 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

72912675 is a deficient number, since it is larger than the sum of its proper divisors (58596765).

72912675 is a wasteful number, since it uses less digits than its factorization.

72912675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88403 (or 88398 counting only the distinct ones).

The product of its digits is 52920, while the sum is 39.

The square root of 72912675 is about 8538.8919070334. The cubic root of 72912675 is about 417.7672043787.

The spelling of 72912675 in words is "seventy-two million, nine hundred twelve thousand, six hundred seventy-five".