74091836117 has 32 divisors (see below), whose sum is σ = 88208144640. Its totient is φ = 61535738880.

The previous prime is 74091836113. The next prime is 74091836153. The reversal of 74091836117 is 71163819047.

It is a cyclic number.

It is not a de Polignac number, because 74091836117 - 2² = 74091836113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74091836113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12902867 + ... + 12908607.

It is an arithmetic number, because the mean of its divisors is an integer number (2756504520).

Almost surely, 2^74091836117 is an apocalyptic number.

It is an amenable number.

74091836117 is a deficient number, since it is larger than the sum of its proper divisors (14116308523).

74091836117 is a wasteful number, since it uses less digits than its factorization.

74091836117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8333.

The product of its (nonzero) digits is 254016, while the sum is 47.

The spelling of 74091836117 in words is "seventy-four billion, ninety-one million, eight hundred thirty-six thousand, one hundred seventeen".