726622257732 has 72 divisors (see below), whose sum is σ = 1985321983680. Its totient is φ = 206231457600.

The previous prime is 726622257727. The next prime is 726622257749. The reversal of 726622257732 is 237752226627.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4003107 + ... + 4180682.

It is an arithmetic number, because the mean of its divisors is an integer number (27573916440).

Almost surely, 2^726622257732 is an apocalyptic number.

It is an amenable number.

726622257732 is an abundant number, since it is smaller than the sum of its proper divisors (1258699725948).

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

726622257732 is a wasteful number, since it uses less digits than its factorization.

726622257732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8183961 (or 8183952 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 51.

The spelling of 726622257732 in words is "seven hundred twenty-six billion, six hundred twenty-two million, two hundred fifty-seven thousand, seven hundred thirty-two".