72489833122 has 32 divisors (see below), whose sum is σ = 128615760000. Its totient is φ = 29981242368.

The previous prime is 72489833113. The next prime is 72489833159. The reversal of 72489833122 is 22133898427.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815629 + ... + 900127.

It is an arithmetic number, because the mean of its divisors is an integer number (4019242500).

Almost surely, 2^72489833122 is an apocalyptic number.

72489833122 is a deficient number, since it is larger than the sum of its proper divisors (56125926878).

72489833122 is a wasteful number, since it uses less digits than its factorization.

72489833122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86650.

The product of its digits is 1161216, while the sum is 49.

The spelling of 72489833122 in words is "seventy-two billion, four hundred eighty-nine million, eight hundred thirty-three thousand, one hundred twenty-two".