74313918723 has 32 divisors (see below), whose sum is σ = 111303505152. Its totient is φ = 43712409600.

The previous prime is 74313918661. The next prime is 74313918733. The reversal of 74313918723 is 32781931347.

It is not a de Polignac number, because 74313918723 - 2⁶ = 74313918659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74313918733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118836 + ... + 403422.

It is an arithmetic number, because the mean of its divisors is an integer number (3478234536).

Almost surely, 2^74313918723 is an apocalyptic number.

74313918723 is a deficient number, since it is larger than the sum of its proper divisors (36989586429).

74313918723 is a wasteful number, since it uses less digits than its factorization.

74313918723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284835.

The product of its digits is 762048, while the sum is 48.

The spelling of 74313918723 in words is "seventy-four billion, three hundred thirteen million, nine hundred eighteen thousand, seven hundred twenty-three".