74623456 has 24 divisors (see below), whose sum is σ = 147125160. Its totient is φ = 37258368.

The previous prime is 74623441. The next prime is 74623459. The reversal of 74623456 is 65432647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74623459) 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, 30735 + ... + 33073.

It is an arithmetic number, because the mean of its divisors is an integer number (6130215).

Almost surely, 2^74623456 is an apocalyptic number.

It is an amenable number.

74623456 is a deficient number, since it is larger than the sum of its proper divisors (72501704).

74623456 is a wasteful number, since it uses less digits than its factorization.

74623456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346 (or 3338 counting only the distinct ones).

The product of its digits is 120960, while the sum is 37.

The square root of 74623456 is about 8638.4869045453. The cubic root of 74623456 is about 421.0093937794.

The spelling of 74623456 in words is "seventy-four million, six hundred twenty-three thousand, four hundred fifty-six".