74715644754 has 16 divisors (see below), whose sum is σ = 166034766240. Its totient is φ = 24905214900.

The previous prime is 74715644687. The next prime is 74715644771. The reversal of 74715644754 is 45744651747.

74715644754 is a `hidden beast` number, since 7 + 4 + 7 + 1 + 564 + 4 + 75 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1383623051 = 74715644754 / (7 + 4 + 7 + 1 + 5 + 6 + 4 + 4 + 7 + 5 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 74715644754.

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, 691811472 + ... + 691811579.

It is an arithmetic number, because the mean of its divisors is an integer number (10377172890).

Almost surely, 2^74715644754 is an apocalyptic number.

74715644754 is an abundant number, since it is smaller than the sum of its proper divisors (91319121486).

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

74715644754 is a wasteful number, since it uses less digits than its factorization.

74715644754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383623062 (or 1383623056 counting only the distinct ones).

The product of its digits is 13171200, while the sum is 54.

The spelling of 74715644754 in words is "seventy-four billion, seven hundred fifteen million, six hundred forty-four thousand, seven hundred fifty-four".