74343584464 has 20 divisors (see below), whose sum is σ = 148687169920. Its totient is φ = 35972701920.

The previous prime is 74343584453. The next prime is 74343584477. The reversal of 74343584464 is 46448534347.

74343584464 is an admirable number.

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, 74942634 + ... + 74943625.

It is an arithmetic number, because the mean of its divisors is an integer number (7434358496).

Almost surely, 2^74343584464 is an apocalyptic number.

It is an amenable number.

74343584464 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74343584464 is a wasteful number, since it uses less digits than its factorization.

74343584464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149886298 (or 149886292 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 52.

The spelling of 74343584464 in words is "seventy-four billion, three hundred forty-three million, five hundred eighty-four thousand, four hundred sixty-four".