72775901760 has 56 divisors (see below), whose sum is σ = 231063491136. Its totient is φ = 19406906880.

The previous prime is 72775901741. The next prime is 72775901791. The reversal of 72775901760 is 6710957727.

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, 37903156 + ... + 37905075.

Almost surely, 2^72775901760 is an apocalyptic number.

It is an amenable number.

72775901760 is an abundant number, since it is smaller than the sum of its proper divisors (158287589376).

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

72775901760 is a wasteful number, since it uses less digits than its factorization.

72775901760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75808251 (or 75808241 counting only the distinct ones).

The product of its (nonzero) digits is 1296540, while the sum is 51.

The spelling of 72775901760 in words is "seventy-two billion, seven hundred seventy-five million, nine hundred one thousand, seven hundred sixty".