74328123 has 16 divisors (see below), whose sum is σ = 102326400. Its totient is φ = 47961984.

The previous prime is 74328119. The next prime is 74328161. The reversal of 74328123 is 32182347.

It is not a de Polignac number, because 74328123 - 2² = 74328119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74328823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12028 + ... + 17126.

It is an arithmetic number, because the mean of its divisors is an integer number (6395400).

Almost surely, 2^74328123 is an apocalyptic number.

74328123 is a deficient number, since it is larger than the sum of its proper divisors (27998277).

74328123 is a wasteful number, since it uses less digits than its factorization.

74328123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5258.

The product of its digits is 8064, while the sum is 30.

The square root of 74328123 is about 8621.3759342694. The cubic root of 74328123 is about 420.4532578404.

The spelling of 74328123 in words is "seventy-four million, three hundred twenty-eight thousand, one hundred twenty-three".