74306312 has 16 divisors (see below), whose sum is σ = 139622400. Its totient is φ = 37073680.

The previous prime is 74306299. The next prime is 74306317. The reversal of 74306312 is 21360347.

It is not an unprimeable number, because it can be changed into a prime (74306317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5864 + ... + 13527.

It is an arithmetic number, because the mean of its divisors is an integer number (8726400).

Almost surely, 2^74306312 is an apocalyptic number.

It is an amenable number.

74306312 is a deficient number, since it is larger than the sum of its proper divisors (65316088).

74306312 is a wasteful number, since it uses less digits than its factorization.

74306312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19876 (or 19872 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 74306312 is about 8620.1109041589. The cubic root of 74306312 is about 420.4121275889.

Adding to 74306312 its reverse (21360347), we get a palindrome (95666659).

The spelling of 74306312 in words is "seventy-four million, three hundred six thousand, three hundred twelve".