71264317 has 2 divisors, whose sum is σ = 71264318. Its totient is φ = 71264316.

The previous prime is 71264311. The next prime is 71264359. The reversal of 71264317 is 71346217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41550916 + 29713401 = 6446^2 + 5451^2 .

It is an emirp because it is prime and its reverse (71346217) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71264317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71264311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35632158 + 35632159.

It is an arithmetic number, because the mean of its divisors is an integer number (35632159).

Almost surely, 2^71264317 is an apocalyptic number.

It is an amenable number.

71264317 is a deficient number, since it is larger than the sum of its proper divisors (1).

71264317 is an equidigital number, since it uses as much as digits as its factorization.

71264317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 31.

The square root of 71264317 is about 8441.8195313570. The cubic root of 71264317 is about 414.5949829935.

The spelling of 71264317 in words is "seventy-one million, two hundred sixty-four thousand, three hundred seventeen".