74306313 has 6 divisors (see below), whose sum is σ = 107331354. Its totient is φ = 49537536.

The previous prime is 74306299. The next prime is 74306317. The reversal of 74306313 is 31360347.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 53758224 + 20548089 = 7332^2 + 4533^2 .

It is not a de Polignac number, because 74306313 - 2¹³ = 74298121 is a prime.

It is a Curzon number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4128120 + ... + 4128137.

It is an arithmetic number, because the mean of its divisors is an integer number (17888559).

Almost surely, 2^74306313 is an apocalyptic number.

It is an amenable number.

74306313 is a deficient number, since it is larger than the sum of its proper divisors (33025041).

74306313 is a wasteful number, since it uses less digits than its factorization.

74306313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8256263 (or 8256260 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 74306313 is about 8620.1109621628. The cubic root of 74306313 is about 420.4121294749.

The spelling of 74306313 in words is "seventy-four million, three hundred six thousand, three hundred thirteen".