74443312 has 20 divisors (see below), whose sum is σ = 144436936. Its totient is φ = 37169280.

The previous prime is 74443301. The next prime is 74443321. The reversal of 74443312 is 21334447.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10108 + ... + 15844.

Almost surely, 2^74443312 is an apocalyptic number.

It is an amenable number.

74443312 is a deficient number, since it is larger than the sum of its proper divisors (69993624).

74443312 is a wasteful number, since it uses less digits than its factorization.

74443312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6556 (or 6550 counting only the distinct ones).

The product of its digits is 8064, while the sum is 28.

The square root of 74443312 is about 8628.0537782283. The cubic root of 74443312 is about 420.6703429810.

Adding to 74443312 its reverse (21334447), we get a palindrome (95777759).

The spelling of 74443312 in words is "seventy-four million, four hundred forty-three thousand, three hundred twelve".