72406631702752 has 12 divisors (see below), whose sum is σ = 142550556164856. Its totient is φ = 36203315851360.

The previous prime is 72406631702749. The next prime is 72406631702767. The reversal of 72406631702752 is 25720713660427.

It is a self number, because there is not a number n which added to its sum of digits gives 72406631702752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1131353620324 + ... + 1131353620387.

It is an arithmetic number, because the mean of its divisors is an integer number (11879213013738).

Almost surely, 2^{72406631702752} is an apocalyptic number.

It is an amenable number.

72406631702752 is a deficient number, since it is larger than the sum of its proper divisors (70143924462104).

72406631702752 is a wasteful number, since it uses less digits than its factorization.

72406631702752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262707240721 (or 2262707240713 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 52.

The spelling of 72406631702752 in words is "seventy-two trillion, four hundred six billion, six hundred thirty-one million, seven hundred two thousand, seven hundred fifty-two".