72590907 has 4 divisors (see below), whose sum is σ = 96787880. Its totient is φ = 48393936.

The previous prime is 72590851. The next prime is 72590911. The reversal of 72590907 is 70909527.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 72590907 - 2¹⁹ = 72066619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72590927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12098482 + ... + 12098487.

It is an arithmetic number, because the mean of its divisors is an integer number (24196970).

Almost surely, 2^72590907 is an apocalyptic number.

72590907 is a deficient number, since it is larger than the sum of its proper divisors (24196973).

72590907 is a wasteful number, since it uses less digits than its factorization.

72590907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24196972.

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 72590907 is about 8520.0297534692. The cubic root of 72590907 is about 417.1517542547.

The spelling of 72590907 in words is "seventy-two million, five hundred ninety thousand, nine hundred seven".