74635452864 has 140 divisors (see below), whose sum is σ = 252849109744. Its totient is φ = 21324404736.

The previous prime is 74635452833. The next prime is 74635452883. The reversal of 74635452864 is 46825453647.

74635452864 is a `hidden beast` number, since 7 + 4 + 6 + 3 + 54 + 528 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 74635452864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 992089 + ... + 1064664.

Almost surely, 2^74635452864 is an apocalyptic number.

It is an amenable number.

74635452864 is an abundant number, since it is smaller than the sum of its proper divisors (178213656880).

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

74635452864 is a wasteful number, since it uses less digits than its factorization.

74635452864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056784 (or 2056765 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 54.

The spelling of 74635452864 in words is "seventy-four billion, six hundred thirty-five million, four hundred fifty-two thousand, eight hundred sixty-four".