74151313 has 2 divisors, whose sum is σ = 74151314. Its totient is φ = 74151312.

The previous prime is 74151299. The next prime is 74151317. The reversal of 74151313 is 31315147.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54508689 + 19642624 = 7383^2 + 4432^2 .

It is a cyclic number.

It is not a de Polignac number, because 74151313 - 2²¹ = 72054161 is a prime.

It is not a weakly prime, because it can be changed into another prime (74151317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37075656 + 37075657.

It is an arithmetic number, because the mean of its divisors is an integer number (37075657).

Almost surely, 2^74151313 is an apocalyptic number.

It is an amenable number.

74151313 is a deficient number, since it is larger than the sum of its proper divisors (1).

74151313 is an equidigital number, since it uses as much as digits as its factorization.

74151313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 25.

The square root of 74151313 is about 8611.1156652318. The cubic root of 74151313 is about 420.1196050142.

The spelling of 74151313 in words is "seventy-four million, one hundred fifty-one thousand, three hundred thirteen".