72499606207672 has 64 divisors (see below), whose sum is σ = 158001395120640. Its totient is φ = 30542874595200.

The previous prime is 72499606207631. The next prime is 72499606207709. The reversal of 72499606207672 is 27670260699427.

It is a junction number, because it is equal to n+sod(n) for n = 72499606207598 and 72499606207607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1113954 + ... + 12092977.

It is an arithmetic number, because the mean of its divisors is an integer number (2468771798760).

Almost surely, 2^{72499606207672} is an apocalyptic number.

It is an amenable number.

72499606207672 is an abundant number, since it is smaller than the sum of its proper divisors (85501788912968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72499606207672 is a wasteful number, since it uses less digits than its factorization.

72499606207672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13208612 (or 13208608 counting only the distinct ones).

The product of its (nonzero) digits is 192036096, while the sum is 67.

The spelling of 72499606207672 in words is "seventy-two trillion, four hundred ninety-nine billion, six hundred six million, two hundred seven thousand, six hundred seventy-two".