74785444 has 24 divisors (see below), whose sum is σ = 138196800. Its totient is φ = 35313120.

The previous prime is 74785441. The next prime is 74785453. The reversal of 74785444 is 44458747.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 74785444.

It is not an unprimeable number, because it can be changed into a prime (74785441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25914 + ... + 28654.

It is an arithmetic number, because the mean of its divisors is an integer number (5758200).

Almost surely, 2^74785444 is an apocalyptic number.

It is an amenable number.

74785444 is a deficient number, since it is larger than the sum of its proper divisors (63411356).

74785444 is a wasteful number, since it uses less digits than its factorization.

74785444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3123 (or 3121 counting only the distinct ones).

The product of its digits is 501760, while the sum is 43.

The square root of 74785444 is about 8647.8577694132. The cubic root of 74785444 is about 421.3138073679.

The spelling of 74785444 in words is "seventy-four million, seven hundred eighty-five thousand, four hundred forty-four".