64073717 has 2 divisors, whose sum is σ = 64073718. Its totient is φ = 64073716.

The previous prime is 64073689. The next prime is 64073743. The reversal of 64073717 is 71737046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48636676 + 15437041 = 6974^2 + 3929^2 .

It is a cyclic number.

It is not a de Polignac number, because 64073717 - 2⁸ = 64073461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64073117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32036858 + 32036859.

It is an arithmetic number, because the mean of its divisors is an integer number (32036859).

Almost surely, 2^64073717 is an apocalyptic number.

It is an amenable number.

64073717 is a deficient number, since it is larger than the sum of its proper divisors (1).

64073717 is an equidigital number, since it uses as much as digits as its factorization.

64073717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 64073717 is about 8004.6059865555. The cubic root of 64073717 is about 400.1535181562.

The spelling of 64073717 in words is "sixty-four million, seventy-three thousand, seven hundred seventeen".