74434542317394 has 32 divisors (see below), whose sum is σ = 170166003423360. Its totient is φ = 21263273753472.

The previous prime is 74434542317383. The next prime is 74434542317411. The reversal of 74434542317394 is 49371324543447.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155522269 + ... + 156000144.

It is an arithmetic number, because the mean of its divisors is an integer number (5317687606980).

Almost surely, 2^{74434542317394} is an apocalyptic number.

74434542317394 is an abundant number, since it is smaller than the sum of its proper divisors (95731461105966).

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

74434542317394 is a wasteful number, since it uses less digits than its factorization.

74434542317394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311528114.

The product of its digits is 121927680, while the sum is 60.

The spelling of 74434542317394 in words is "seventy-four trillion, four hundred thirty-four billion, five hundred forty-two million, three hundred seventeen thousand, three hundred ninety-four".