72795097642491 has 24 divisors (see below), whose sum is σ = 120172637245440. Its totient is φ = 41596176720816.

The previous prime is 72795097642447. The next prime is 72795097642517. The reversal of 72795097642491 is 19424679059727.

72795097642491 is a `hidden beast` number, since 7 + 2 + 7 + 9 + 5 + 0 + 97 + 6 + 42 + 491 = 666.

It is not a de Polignac number, because 72795097642491 - 2⁶ = 72795097642427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72795097642691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11605051 + ... + 16741188.

It is an arithmetic number, because the mean of its divisors is an integer number (5007193218560).

Almost surely, 2^{72795097642491} is an apocalyptic number.

72795097642491 is a deficient number, since it is larger than the sum of its proper divisors (47377539602949).

72795097642491 is a wasteful number, since it uses less digits than its factorization.

72795097642491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28387015 (or 28387012 counting only the distinct ones).

The product of its (nonzero) digits is 480090240, while the sum is 72.

The spelling of 72795097642491 in words is "seventy-two trillion, seven hundred ninety-five billion, ninety-seven million, six hundred forty-two thousand, four hundred ninety-one".