74660423 has 4 divisors (see below), whose sum is σ = 74981088. Its totient is φ = 74339760.

The previous prime is 74660387. The next prime is 74660441. The reversal of 74660423 is 32406647.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74660423 - 2¹⁰ = 74659399 is a prime.

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 74660423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74690423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159983 + ... + 160448.

It is an arithmetic number, because the mean of its divisors is an integer number (18745272).

Almost surely, 2^74660423 is an apocalyptic number.

74660423 is a deficient number, since it is larger than the sum of its proper divisors (320665).

74660423 is a wasteful number, since it uses less digits than its factorization.

74660423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320664.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 74660423 is about 8640.6263083182. The cubic root of 74660423 is about 421.0789022416.

The spelling of 74660423 in words is "seventy-four million, six hundred sixty thousand, four hundred twenty-three".