74027984128 has 72 divisors (see below), whose sum is σ = 174324093440. Its totient is φ = 30702827520.

The previous prime is 74027984119. The next prime is 74027984141. The reversal of 74027984128 is 82148972047.

It is a congruent number.

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, 610743 + ... + 721846.

Almost surely, 2^74027984128 is an apocalyptic number.

It is an amenable number.

74027984128 is an abundant number, since it is smaller than the sum of its proper divisors (100296109312).

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

74027984128 is a wasteful number, since it uses less digits than its factorization.

74027984128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332643 (or 1332629 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 52.

The spelling of 74027984128 in words is "seventy-four billion, twenty-seven million, nine hundred eighty-four thousand, one hundred twenty-eight".