74736313 has 2 divisors, whose sum is σ = 74736314. Its totient is φ = 74736312.

The previous prime is 74736287. The next prime is 74736323. The reversal of 74736313 is 31363747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73324969 + 1411344 = 8563^2 + 1188^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74736313 is a prime.

It is not a weakly prime, because it can be changed into another prime (74736323) 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 as a sum of consecutive naturals, namely, 37368156 + 37368157.

It is an arithmetic number, because the mean of its divisors is an integer number (37368157).

Almost surely, 2^74736313 is an apocalyptic number.

It is an amenable number.

74736313 is a deficient number, since it is larger than the sum of its proper divisors (1).

74736313 is an equidigital number, since it uses as much as digits as its factorization.

74736313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 34.

The square root of 74736313 is about 8645.0166570111. The cubic root of 74736313 is about 421.2215251352.

The spelling of 74736313 in words is "seventy-four million, seven hundred thirty-six thousand, three hundred thirteen".