74445604 has 6 divisors (see below), whose sum is σ = 130279814. Its totient is φ = 37222800.

The previous prime is 74445593. The next prime is 74445647. The reversal of 74445604 is 40654447.

It can be written as a sum of positive squares in only one way, i.e., 56400100 + 18045504 = 7510^2 + 4248^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74445604.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9305697 + ... + 9305704.

Almost surely, 2^74445604 is an apocalyptic number.

It is an amenable number.

74445604 is a deficient number, since it is larger than the sum of its proper divisors (55834210).

74445604 is a wasteful number, since it uses less digits than its factorization.

74445604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18611405 (or 18611403 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

The square root of 74445604 is about 8628.1865997439. The cubic root of 74445604 is about 420.6746602102.

The spelling of 74445604 in words is "seventy-four million, four hundred forty-five thousand, six hundred four".