74692328255 has 4 divisors (see below), whose sum is σ = 89630793912. Its totient is φ = 59753862600.

The previous prime is 74692328237. The next prime is 74692328297. The reversal of 74692328255 is 55282329647.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55282329647 = 27791 ⋅1989217.

It is a de Polignac number, because none of the positive numbers 2^k-74692328255 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74692328197 and 74692328206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7469232821 + ... + 7469232830.

It is an arithmetic number, because the mean of its divisors is an integer number (22407698478).

Almost surely, 2^74692328255 is an apocalyptic number.

74692328255 is a deficient number, since it is larger than the sum of its proper divisors (14938465657).

74692328255 is a wasteful number, since it uses less digits than its factorization.

74692328255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14938465656.

The product of its digits is 7257600, while the sum is 53.

The spelling of 74692328255 in words is "seventy-four billion, six hundred ninety-two million, three hundred twenty-eight thousand, two hundred fifty-five".