74425423 has 4 divisors (see below), whose sum is σ = 74993688. Its totient is φ = 73857160.

The previous prime is 74425411. The next prime is 74425427. The reversal of 74425423 is 32452447.

It is a happy number.

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 74425423 - 2⁵ = 74425391 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74425427) 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, 283936 + ... + 284197.

It is an arithmetic number, because the mean of its divisors is an integer number (18748422).

Almost surely, 2^74425423 is an apocalyptic number.

74425423 is a deficient number, since it is larger than the sum of its proper divisors (568265).

74425423 is a wasteful number, since it uses less digits than its factorization.

74425423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568264.

The product of its digits is 26880, while the sum is 31.

The square root of 74425423 is about 8627.0170395102. The cubic root of 74425423 is about 420.6366440745.

The spelling of 74425423 in words is "seventy-four million, four hundred twenty-five thousand, four hundred twenty-three".