72012680684 has 12 divisors (see below), whose sum is σ = 144025361424. Its totient is φ = 30862577424.

The previous prime is 72012680659. The next prime is 72012680693. The reversal of 72012680684 is 48608621027.

72012680684 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1285940699 + ... + 1285940754.

It is an arithmetic number, because the mean of its divisors is an integer number (12002113452).

Almost surely, 2^72012680684 is an apocalyptic number.

It is an amenable number.

72012680684 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72012680684 is a wasteful number, since it uses less digits than its factorization.

72012680684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571881464 (or 2571881462 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 72012680684 in words is "seventy-two billion, twelve million, six hundred eighty thousand, six hundred eighty-four".