72622432592 has 40 divisors (see below), whose sum is σ = 143123592480. Its totient is φ = 35687594880.

The previous prime is 72622432591. The next prime is 72622432639. The reversal of 72622432592 is 29523422627.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72622432591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7512242 + ... + 7521902.

It is an arithmetic number, because the mean of its divisors is an integer number (3578089812).

Almost surely, 2^72622432592 is an apocalyptic number.

It is an amenable number.

72622432592 is a deficient number, since it is larger than the sum of its proper divisors (70501159888).

72622432592 is a wasteful number, since it uses less digits than its factorization.

72622432592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17691 (or 17685 counting only the distinct ones).

The product of its digits is 725760, while the sum is 44.

The spelling of 72622432592 in words is "seventy-two billion, six hundred twenty-two million, four hundred thirty-two thousand, five hundred ninety-two".