72711611368464 has 80 divisors (see below), whose sum is σ = 190939071603392. Its totient is φ = 23840173891584.

The previous prime is 72711611368439. The next prime is 72711611368531. The reversal of 72711611368464 is 46486311611727.

It is a happy number.

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, 47145229 + ... + 48663084.

Almost surely, 2^{72711611368464} is an apocalyptic number.

It is an amenable number.

72711611368464 is an abundant number, since it is smaller than the sum of its proper divisors (118227460234928).

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

72711611368464 is a wasteful number, since it uses less digits than its factorization.

72711611368464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95808584 (or 95808578 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 57.

The spelling of 72711611368464 in words is "seventy-two trillion, seven hundred eleven billion, six hundred eleven million, three hundred sixty-eight thousand, four hundred sixty-four".