74542794392 has 48 divisors (see below), whose sum is σ = 161714779800. Its totient is φ = 32099760000.

The previous prime is 74542794379. The next prime is 74542794413. The reversal of 74542794392 is 29349724547.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2008109 + ... + 2044892.

Almost surely, 2^74542794392 is an apocalyptic number.

It is an amenable number.

74542794392 is an abundant number, since it is smaller than the sum of its proper divisors (87171985408).

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

74542794392 is a wasteful number, since it uses less digits than its factorization.

74542794392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4053048 (or 4053033 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 56.

The spelling of 74542794392 in words is "seventy-four billion, five hundred forty-two million, seven hundred ninety-four thousand, three hundred ninety-two".