72936423903 has 24 divisors (see below), whose sum is σ = 113258079792. Its totient is φ = 41629252224.

The previous prime is 72936423899. The next prime is 72936423913. The reversal of 72936423903 is 30932463927.

It is not a de Polignac number, because 72936423903 - 2² = 72936423899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72936423913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163500 + ... + 415457.

It is an arithmetic number, because the mean of its divisors is an integer number (4719086658).

Almost surely, 2^72936423903 is an apocalyptic number.

72936423903 is a deficient number, since it is larger than the sum of its proper divisors (40321655889).

72936423903 is a wasteful number, since it uses less digits than its factorization.

72936423903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579831 (or 579824 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 48.

The spelling of 72936423903 in words is "seventy-two billion, nine hundred thirty-six million, four hundred twenty-three thousand, nine hundred three".