74889244 has 6 divisors (see below), whose sum is σ = 131056184. Its totient is φ = 37444620.

The previous prime is 74889239. The next prime is 74889251. The reversal of 74889244 is 44298847.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 74889194 and 74889203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9361152 + ... + 9361159.

Almost surely, 2^74889244 is an apocalyptic number.

It is an amenable number.

74889244 is a deficient number, since it is larger than the sum of its proper divisors (56166940).

74889244 is a wasteful number, since it uses less digits than its factorization.

74889244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18722315 (or 18722313 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The square root of 74889244 is about 8653.8571746938. The cubic root of 74889244 is about 421.5086409851.

Adding to 74889244 its product of digits (516096), we get a triangular number (75405340 = T₁₂₂₈₀).

The spelling of 74889244 in words is "seventy-four million, eight hundred eighty-nine thousand, two hundred forty-four".