74439316123 has 8 divisors (see below), whose sum is σ = 76013860928. Its totient is φ = 72878404104.

The previous prime is 74439316111. The next prime is 74439316213. The reversal of 74439316123 is 32161393447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74439316123 - 2⁹ = 74439315611 is a prime.

It is a super-2 number, since 2×74439316123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74439316123.

It is not an unprimeable number, because it can be changed into a prime (74439316223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3397161 + ... + 3419002.

It is an arithmetic number, because the mean of its divisors is an integer number (9501732616).

Almost surely, 2^74439316123 is an apocalyptic number.

74439316123 is a deficient number, since it is larger than the sum of its proper divisors (1574544805).

74439316123 is a wasteful number, since it uses less digits than its factorization.

74439316123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6816393.

The product of its digits is 326592, while the sum is 43.

The spelling of 74439316123 in words is "seventy-four billion, four hundred thirty-nine million, three hundred sixteen thousand, one hundred twenty-three".