73611316812 has 24 divisors (see below), whose sum is σ = 187374261312. Its totient is φ = 22306459600.

The previous prime is 73611316799. The next prime is 73611316861. The reversal of 73611316812 is 21861311637.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278830614 + ... + 278830877.

It is an arithmetic number, because the mean of its divisors is an integer number (7807260888).

Almost surely, 2^73611316812 is an apocalyptic number.

It is an amenable number.

73611316812 is an abundant number, since it is smaller than the sum of its proper divisors (113762944500).

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

73611316812 is a wasteful number, since it uses less digits than its factorization.

73611316812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557661509 (or 557661507 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The spelling of 73611316812 in words is "seventy-three billion, six hundred eleven million, three hundred sixteen thousand, eight hundred twelve".