74489312 has 24 divisors (see below), whose sum is σ = 146853000. Its totient is φ = 37193344.

The previous prime is 74489309. The next prime is 74489323. The reversal of 74489312 is 21398447.

It is a congruent number.

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, 34439 + ... + 36537.

It is an arithmetic number, because the mean of its divisors is an integer number (6118875).

Almost surely, 2^74489312 is an apocalyptic number.

It is an amenable number.

74489312 is a deficient number, since it is larger than the sum of its proper divisors (72363688).

74489312 is a wasteful number, since it uses less digits than its factorization.

74489312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218 (or 3210 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 74489312 is about 8630.7190893923. The cubic root of 74489312 is about 420.7569719916.

The spelling of 74489312 in words is "seventy-four million, four hundred eighty-nine thousand, three hundred twelve".