74479315323 has 40 divisors (see below), whose sum is σ = 120887036928. Its totient is φ = 40709100432.

The previous prime is 74479315291. The next prime is 74479315381. The reversal of 74479315323 is 32351397447.

It is not a de Polignac number, because 74479315323 - 2⁵ = 74479315291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74479315223) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 59115 + ... + 390452.

Almost surely, 2^74479315323 is an apocalyptic number.

74479315323 is a deficient number, since it is larger than the sum of its proper divisors (46407721605).

74479315323 is an equidigital number, since it uses as much as digits as its factorization.

74479315323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449621 (or 449600 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 48.

The spelling of 74479315323 in words is "seventy-four billion, four hundred seventy-nine million, three hundred fifteen thousand, three hundred twenty-three".