72644963295 has 96 divisors (see below), whose sum is σ = 129876738048. Its totient is φ = 34598817792.

The previous prime is 72644963269. The next prime is 72644963311. The reversal of 72644963295 is 59236944627.

It is not a de Polignac number, because 72644963295 - 2⁹ = 72644962783 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12659667 + ... + 12665403.

It is an arithmetic number, because the mean of its divisors is an integer number (1352882688).

Almost surely, 2^72644963295 is an apocalyptic number.

72644963295 is a deficient number, since it is larger than the sum of its proper divisors (57231774753).

72644963295 is a wasteful number, since it uses less digits than its factorization.

72644963295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5929 (or 5912 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 57.

The spelling of 72644963295 in words is "seventy-two billion, six hundred forty-four million, nine hundred sixty-three thousand, two hundred ninety-five".