72088907 has 16 divisors (see below), whose sum is σ = 83445120. Its totient is φ = 61588800.

The previous prime is 72088901. The next prime is 72088909. The reversal of 72088907 is 70988027.

It is a cyclic number.

It is not a de Polignac number, because 72088907 - 2²⁴ = 55311691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72088901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26063 + ... + 28695.

It is an arithmetic number, because the mean of its divisors is an integer number (5215320).

Almost surely, 2^72088907 is an apocalyptic number.

72088907 is a deficient number, since it is larger than the sum of its proper divisors (11356213).

72088907 is a wasteful number, since it uses less digits than its factorization.

72088907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 72088907 is about 8490.5186531801. The cubic root of 72088907 is about 416.1879293739.

The spelling of 72088907 in words is "seventy-two million, eighty-eight thousand, nine hundred seven".