72623632626 has 48 divisors (see below), whose sum is σ = 171344347200. Its totient is φ = 22142955744.

The previous prime is 72623632561. The next prime is 72623632639. The reversal of 72623632626 is 62623632627.

72623632626 is a `hidden beast` number, since 7 + 2 + 6 + 2 + 3 + 632 + 6 + 2 + 6 = 666.

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, 3651286 + ... + 3671121.

It is an arithmetic number, because the mean of its divisors is an integer number (3569673900).

Almost surely, 2^72623632626 is an apocalyptic number.

72623632626 is an abundant number, since it is smaller than the sum of its proper divisors (98720714574).

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

72623632626 is a wasteful number, since it uses less digits than its factorization.

72623632626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7322463 (or 7322460 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 45.

Subtracting from 72623632626 its reverse (62623632627), we obtain a palindrome (9999999999).

The spelling of 72623632626 in words is "seventy-two billion, six hundred twenty-three million, six hundred thirty-two thousand, six hundred twenty-six".