74313938685 has 16 divisors (see below), whose sum is σ = 135888345216. Its totient is φ = 33972086208.

The previous prime is 74313938627. The next prime is 74313938693. The reversal of 74313938685 is 58683931347.

It is not a de Polignac number, because 74313938685 - 2⁹ = 74313938173 is a prime.

It is a super-2 number, since 2×74313938685² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 353875794 + ... + 353876003.

It is an arithmetic number, because the mean of its divisors is an integer number (8493021576).

Almost surely, 2^74313938685 is an apocalyptic number.

It is an amenable number.

74313938685 is a deficient number, since it is larger than the sum of its proper divisors (61574406531).

74313938685 is a wasteful number, since it uses less digits than its factorization.

74313938685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707751812.

The product of its digits is 13063680, while the sum is 57.

The spelling of 74313938685 in words is "seventy-four billion, three hundred thirteen million, nine hundred thirty-eight thousand, six hundred eighty-five".