74997312 has 56 divisors (see below), whose sum is σ = 213701376. Its totient is φ = 23075328.

The previous prime is 74997301. The next prime is 74997317. The reversal of 74997312 is 21379947.

It is not an unprimeable number, because it can be changed into a prime (74997317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12528 + ... + 17519.

It is an arithmetic number, because the mean of its divisors is an integer number (3816096).

Almost surely, 2^74997312 is an apocalyptic number.

It is an amenable number.

74997312 is an abundant number, since it is smaller than the sum of its proper divisors (138704064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74997312 is a wasteful number, since it uses less digits than its factorization.

74997312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30075 (or 30065 counting only the distinct ones).

The product of its digits is 95256, while the sum is 42.

The square root of 74997312 is about 8660.0988447015. The cubic root of 74997312 is about 421.7112944862.

The spelling of 74997312 in words is "seventy-four million, nine hundred ninety-seven thousand, three hundred twelve".