72011677072 has 20 divisors (see below), whose sum is σ = 139574710000. Its totient is φ = 35992397088.

The previous prime is 72011677043. The next prime is 72011677097. The reversal of 72011677072 is 27077611027.

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 3 ways as a sum of consecutive naturals, for example, 795822 + ... + 881677.

It is an arithmetic number, because the mean of its divisors is an integer number (6978735500).

Almost surely, 2^72011677072 is an apocalyptic number.

It is an amenable number.

72011677072 is a deficient number, since it is larger than the sum of its proper divisors (67563032928).

72011677072 is a wasteful number, since it uses less digits than its factorization.

72011677072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680190 (or 1680184 counting only the distinct ones).

The product of its (nonzero) digits is 57624, while the sum is 40.

The spelling of 72011677072 in words is "seventy-two billion, eleven million, six hundred seventy-seven thousand, seventy-two".