74055313 has 2 divisors, whose sum is σ = 74055314. Its totient is φ = 74055312.

The previous prime is 74055287. The next prime is 74055337. The reversal of 74055313 is 31355047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71520849 + 2534464 = 8457^2 + 1592^2 .

It is an emirp because it is prime and its reverse (31355047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74055313 - 2²⁵ = 40500881 is a prime.

It is not a weakly prime, because it can be changed into another prime (74055353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37027656 + 37027657.

It is an arithmetic number, because the mean of its divisors is an integer number (37027657).

Almost surely, 2^74055313 is an apocalyptic number.

It is an amenable number.

74055313 is a deficient number, since it is larger than the sum of its proper divisors (1).

74055313 is an equidigital number, since it uses as much as digits as its factorization.

74055313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 74055313 is about 8605.5396693060. The cubic root of 74055313 is about 419.9382240963.

The spelling of 74055313 in words is "seventy-four million, fifty-five thousand, three hundred thirteen".