74453444 has 24 divisors (see below), whose sum is σ = 144845568. Its totient is φ = 33253920.

The previous prime is 74453441. The next prime is 74453453. The reversal of 74453444 is 44435447.

It is a super-2 number, since 2×74453444² = 11086630646922272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74453441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21482 + ... + 24705.

It is an arithmetic number, because the mean of its divisors is an integer number (6035232).

Almost surely, 2^74453444 is an apocalyptic number.

It is an amenable number.

74453444 is a deficient number, since it is larger than the sum of its proper divisors (70392124).

74453444 is a wasteful number, since it uses less digits than its factorization.

74453444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46235 (or 46233 counting only the distinct ones).

The product of its digits is 107520, while the sum is 35.

The square root of 74453444 is about 8628.6409126814. The cubic root of 74453444 is about 420.6894270260.

The spelling of 74453444 in words is "seventy-four million, four hundred fifty-three thousand, four hundred forty-four".