72498931 has 8 divisors (see below), whose sum is σ = 76958640. Its totient is φ = 68060928.

The previous prime is 72498913. The next prime is 72498961. The reversal of 72498931 is 13989427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72498931 - 2²³ = 64110323 is a prime.

It is a super-2 number, since 2×72498931² = 10512189992285522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72498961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1740 + ... + 12166.

It is an arithmetic number, because the mean of its divisors is an integer number (9619830).

Almost surely, 2^72498931 is an apocalyptic number.

72498931 is a deficient number, since it is larger than the sum of its proper divisors (4459709).

72498931 is a wasteful number, since it uses less digits than its factorization.

72498931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10853.

The product of its digits is 108864, while the sum is 43.

The square root of 72498931 is about 8514.6304088903. The cubic root of 72498931 is about 416.9754963394.

The spelling of 72498931 in words is "seventy-two million, four hundred ninety-eight thousand, nine hundred thirty-one".