74484224 has 20 divisors (see below), whose sum is σ = 148823994. Its totient is φ = 37241856.

The previous prime is 74484203. The next prime is 74484229. The reversal of 74484224 is 42248447.

It can be written as a sum of positive squares in only one way, i.e., 71098624 + 3385600 = 8432^2 + 1840^2 .

It is not an unprimeable number, because it can be changed into a prime (74484229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72227 + ... + 73250.

Almost surely, 2^74484224 is an apocalyptic number.

It is an amenable number.

74484224 is a deficient number, since it is larger than the sum of its proper divisors (74339770).

74484224 is an equidigital number, since it uses as much as digits as its factorization.

74484224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145495 (or 145479 counting only the distinct ones).

The product of its digits is 57344, while the sum is 35.

The square root of 74484224 is about 8630.4243232879. The cubic root of 74484224 is about 420.7473918242.

The spelling of 74484224 in words is "seventy-four million, four hundred eighty-four thousand, two hundred twenty-four".