72656840790752 has 24 divisors (see below), whose sum is σ = 143327535368976. Its totient is φ = 36256196887552.

The previous prime is 72656840790749. The next prime is 72656840790841. The reversal of 72656840790752 is 25709704865627.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2256968273 + ... + 2257000464.

It is an arithmetic number, because the mean of its divisors is an integer number (5971980640374).

Almost surely, 2^{72656840790752} is an apocalyptic number.

It is an amenable number.

72656840790752 is a deficient number, since it is larger than the sum of its proper divisors (70670694578224).

72656840790752 is a wasteful number, since it uses less digits than its factorization.

72656840790752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513969250 (or 4513969242 counting only the distinct ones).

The product of its (nonzero) digits is 355622400, while the sum is 68.

The spelling of 72656840790752 in words is "seventy-two trillion, six hundred fifty-six billion, eight hundred forty million, seven hundred ninety thousand, seven hundred fifty-two".