74144444 has 18 divisors (see below), whose sum is σ = 142621752. Its totient is φ = 33701800.

The previous prime is 74144383. The next prime is 74144449. The reversal of 74144444 is 44444147.

It is a self number, because there is not a number n which added to its sum of digits gives 74144444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74144449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76112 + ... + 77079.

Almost surely, 2^74144444 is an apocalyptic number.

It is an amenable number.

74144444 is a deficient number, since it is larger than the sum of its proper divisors (68477308).

74144444 is a wasteful number, since it uses less digits than its factorization.

74144444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153217 (or 153204 counting only the distinct ones).

The product of its digits is 28672, while the sum is 32.

The square root of 74144444 is about 8610.7168110442. The cubic root of 74144444 is about 420.1066320334.

The spelling of 74144444 in words is "seventy-four million, one hundred forty-four thousand, four hundred forty-four".