72411679965832 has 64 divisors (see below), whose sum is σ = 139153774359600. Its totient is φ = 35304906240000.

The previous prime is 72411679965773. The next prime is 72411679965847. The reversal of 72411679965832 is 23856997611427.

It can be written as a sum of positive squares in 8 ways, for example, as 42395022233316 + 30016657732516 = 6511146^2 + 5478746^2 .

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors.

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, 9249156894 + ... + 9249164722.

Almost surely, 2^{72411679965832} is an apocalyptic number.

It is an amenable number.

72411679965832 is a deficient number, since it is larger than the sum of its proper divisors (66742094393768).

72411679965832 is a wasteful number, since it uses less digits than its factorization.

72411679965832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18538 (or 18534 counting only the distinct ones).

The product of its digits is 274337280, while the sum is 70.

The spelling of 72411679965832 in words is "seventy-two trillion, four hundred eleven billion, six hundred seventy-nine million, nine hundred sixty-five thousand, eight hundred thirty-two".