74626313 has 2 divisors, whose sum is σ = 74626314. Its totient is φ = 74626312.

The previous prime is 74626301. The next prime is 74626333. The reversal of 74626313 is 31362647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52461049 + 22165264 = 7243^2 + 4708^2 .

It is an emirp because it is prime and its reverse (31362647) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74626313 - 2⁴ = 74626297 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74626313.

It is not a weakly prime, because it can be changed into another prime (74626333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37313156 + 37313157.

It is an arithmetic number, because the mean of its divisors is an integer number (37313157).

Almost surely, 2^74626313 is an apocalyptic number.

It is an amenable number.

74626313 is a deficient number, since it is larger than the sum of its proper divisors (1).

74626313 is an equidigital number, since it uses as much as digits as its factorization.

74626313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 32.

The square root of 74626313 is about 8638.6522675704. The cubic root of 74626313 is about 421.0147665694.

The spelling of 74626313 in words is "seventy-four million, six hundred twenty-six thousand, three hundred thirteen".