64349717 has 2 divisors, whose sum is σ = 64349718. Its totient is φ = 64349716.

The previous prime is 64349711. The next prime is 64349723. The reversal of 64349717 is 71794346.

It is a balanced prime because it is at equal distance from previous prime (64349711) and next prime (64349723).

It can be written as a sum of positive squares in only one way, i.e., 63377521 + 972196 = 7961^2 + 986^2 .

It is a cyclic number.

It is not a de Polignac number, because 64349717 - 2²⁴ = 47572501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64349711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32174858 + 32174859.

It is an arithmetic number, because the mean of its divisors is an integer number (32174859).

Almost surely, 2^64349717 is an apocalyptic number.

It is an amenable number.

64349717 is a deficient number, since it is larger than the sum of its proper divisors (1).

64349717 is an equidigital number, since it uses as much as digits as its factorization.

64349717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 41.

The square root of 64349717 is about 8021.8275349200. The cubic root of 64349717 is about 400.7272540359.

The spelling of 64349717 in words is "sixty-four million, three hundred forty-nine thousand, seven hundred seventeen".