72213476826 has 64 divisors (see below), whose sum is σ = 157222619136. Its totient is φ = 22023187200.

The previous prime is 72213476789. The next prime is 72213476831. The reversal of 72213476826 is 62867431227.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 886431 + ... + 964461.

It is an arithmetic number, because the mean of its divisors is an integer number (2456603424).

Almost surely, 2^72213476826 is an apocalyptic number.

72213476826 is an abundant number, since it is smaller than the sum of its proper divisors (85009142310).

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

72213476826 is a wasteful number, since it uses less digits than its factorization.

72213476826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78307.

The product of its digits is 1354752, while the sum is 48.

The spelling of 72213476826 in words is "seventy-two billion, two hundred thirteen million, four hundred seventy-six thousand, eight hundred twenty-six".