72464036031 has 12 divisors (see below), whose sum is σ = 104672973600. Its totient is φ = 48308111520.

The previous prime is 72464036023. The next prime is 72464036053. The reversal of 72464036031 is 13063046427.

It is a happy number.

72464036031 is a `hidden beast` number, since 7 + 2 + 4 + 6 + 40 + 3 + 603 + 1 = 666.

It is not a de Polignac number, because 72464036031 - 2³ = 72464036023 is a prime.

It is a super-2 number, since 2×72464036031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72464036731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 386371 + ... + 542411.

It is an arithmetic number, because the mean of its divisors is an integer number (8722747800).

Almost surely, 2^72464036031 is an apocalyptic number.

72464036031 is a deficient number, since it is larger than the sum of its proper divisors (32208937569).

72464036031 is a wasteful number, since it uses less digits than its factorization.

72464036031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207646 (or 207643 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 72464036031 in words is "seventy-two billion, four hundred sixty-four million, thirty-six thousand, thirty-one".