74504317 has 2 divisors, whose sum is σ = 74504318. Its totient is φ = 74504316.

The previous prime is 74504293. The next prime is 74504323. The reversal of 74504317 is 71340547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74287161 + 217156 = 8619^2 + 466^2 .

It is an emirp because it is prime and its reverse (71340547) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74504317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74504117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37252158 + 37252159.

It is an arithmetic number, because the mean of its divisors is an integer number (37252159).

Almost surely, 2^74504317 is an apocalyptic number.

It is an amenable number.

74504317 is a deficient number, since it is larger than the sum of its proper divisors (1).

74504317 is an equidigital number, since it uses as much as digits as its factorization.

74504317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 74504317 is about 8631.5883242889. The cubic root of 74504317 is about 420.7852222838.

The spelling of 74504317 in words is "seventy-four million, five hundred four thousand, three hundred seventeen".