64674317 has 2 divisors, whose sum is σ = 64674318. Its totient is φ = 64674316.

The previous prime is 64674299. The next prime is 64674349. The reversal of 64674317 is 71347646.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61763881 + 2910436 = 7859^2 + 1706^2 .

It is a cyclic number.

It is not a de Polignac number, because 64674317 - 2²⁰ = 63625741 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64674017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32337158 + 32337159.

It is an arithmetic number, because the mean of its divisors is an integer number (32337159).

Almost surely, 2^64674317 is an apocalyptic number.

It is an amenable number.

64674317 is a deficient number, since it is larger than the sum of its proper divisors (1).

64674317 is an equidigital number, since it uses as much as digits as its factorization.

64674317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 38.

The square root of 64674317 is about 8042.0343819210. The cubic root of 64674317 is about 401.3999219142.

The spelling of 64674317 in words is "sixty-four million, six hundred seventy-four thousand, three hundred seventeen".