74171688960 has 96 divisors (see below), whose sum is σ = 237291556320. Its totient is φ = 19779108864.

The previous prime is 74171688931. The next prime is 74171688967. The reversal of 74171688960 is 6988617147.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 74171688960.

It is not an unprimeable number, because it can be changed into a prime (74171688967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1176502 + ... + 1237941.

It is an arithmetic number, because the mean of its divisors is an integer number (2471787045).

Almost surely, 2^74171688960 is an apocalyptic number.

It is an amenable number.

74171688960 is an abundant number, since it is smaller than the sum of its proper divisors (163119867360).

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

74171688960 is a wasteful number, since it uses less digits than its factorization.

74171688960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414473 (or 2414453 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 57.

The spelling of 74171688960 in words is "seventy-four billion, one hundred seventy-one million, six hundred eighty-eight thousand, nine hundred sixty".