74355313 has 2 divisors, whose sum is σ = 74355314. Its totient is φ = 74355312.

The previous prime is 74355293. The next prime is 74355349. The reversal of 74355313 is 31355347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67765824 + 6589489 = 8232^2 + 2567^2 .

It is a cyclic number.

It is not a de Polignac number, because 74355313 - 2⁹ = 74354801 is a prime.

It is not a weakly prime, because it can be changed into another prime (74355383) 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, 37177656 + 37177657.

It is an arithmetic number, because the mean of its divisors is an integer number (37177657).

Almost surely, 2^74355313 is an apocalyptic number.

It is an amenable number.

74355313 is a deficient number, since it is larger than the sum of its proper divisors (1).

74355313 is an equidigital number, since it uses as much as digits as its factorization.

74355313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 31.

The square root of 74355313 is about 8622.9526845507. The cubic root of 74355313 is about 420.5045203141.

The spelling of 74355313 in words is "seventy-four million, three hundred fifty-five thousand, three hundred thirteen".