74091836142 has 24 divisors (see below), whose sum is σ = 160537932360. Its totient is φ = 24696414000.

The previous prime is 74091836113. The next prime is 74091836153. The reversal of 74091836142 is 24163819047.

74091836142 is a `hidden beast` number, since 7 + 409 + 183 + 61 + 4 + 2 = 666.

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, 654084 + ... + 758952.

It is an arithmetic number, because the mean of its divisors is an integer number (6689080515).

Almost surely, 2^74091836142 is an apocalyptic number.

74091836142 is an abundant number, since it is smaller than the sum of its proper divisors (86446096218).

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

74091836142 is a wasteful number, since it uses less digits than its factorization.

74091836142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144128 (or 144125 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 74091836142 in words is "seventy-four billion, ninety-one million, eight hundred thirty-six thousand, one hundred forty-two".