72979219626 has 16 divisors (see below), whose sum is σ = 147250108224. Its totient is φ = 24111128384.

The previous prime is 72979219619. The next prime is 72979219637. The reversal of 72979219626 is 62691297927.

It is a self number, because there is not a number n which added to its sum of digits gives 72979219626.

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 7 ways as a sum of consecutive naturals, for example, 53818806 + ... + 53820161.

It is an arithmetic number, because the mean of its divisors is an integer number (9203131764).

Almost surely, 2^72979219626 is an apocalyptic number.

72979219626 is an abundant number, since it is smaller than the sum of its proper divisors (74270888598).

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

72979219626 is a wasteful number, since it uses less digits than its factorization.

72979219626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107639085.

The product of its digits is 10287648, while the sum is 60.

The spelling of 72979219626 in words is "seventy-two billion, nine hundred seventy-nine million, two hundred nineteen thousand, six hundred twenty-six".