74245423 has 16 divisors (see below), whose sum is σ = 89280000. Its totient is φ = 60393312.

The previous prime is 74245411. The next prime is 74245427. The reversal of 74245423 is 32454247.

It is a happy number.

It is not a de Polignac number, because 74245423 - 2¹³ = 74237231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74245427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8878 + ... + 15076.

It is an arithmetic number, because the mean of its divisors is an integer number (5580000).

Almost surely, 2^74245423 is an apocalyptic number.

74245423 is a deficient number, since it is larger than the sum of its proper divisors (15034577).

74245423 is a wasteful number, since it uses less digits than its factorization.

74245423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6294.

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

The square root of 74245423 is about 8616.5783812370. The cubic root of 74245423 is about 420.2972631016.

The spelling of 74245423 in words is "seventy-four million, two hundred forty-five thousand, four hundred twenty-three".