74349405923 has 16 divisors (see below), whose sum is σ = 82736484096. Its totient is φ = 66348011520.

The previous prime is 74349405883. The next prime is 74349405929. The reversal of 74349405923 is 32950494347.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74349405923 is a prime.

It is a super-2 number, since 2×74349405923² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74349405929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299315 + ... + 488147.

It is an arithmetic number, because the mean of its divisors is an integer number (5171030256).

Almost surely, 2^74349405923 is an apocalyptic number.

74349405923 is a deficient number, since it is larger than the sum of its proper divisors (8387078173).

74349405923 is a wasteful number, since it uses less digits than its factorization.

74349405923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189854.

The product of its (nonzero) digits is 3265920, while the sum is 50.

The spelling of 74349405923 in words is "seventy-four billion, three hundred forty-nine million, four hundred five thousand, nine hundred twenty-three".