64717193 has 8 divisors (see below), whose sum is σ = 69102528. Its totient is φ = 60462864.

The previous prime is 64717153. The next prime is 64717207. The reversal of 64717193 is 39171746.

64717193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64717193 - 2⁶ = 64717129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64717123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31730 + ... + 33707.

It is an arithmetic number, because the mean of its divisors is an integer number (8637816).

Almost surely, 2^64717193 is an apocalyptic number.

It is an amenable number.

64717193 is a deficient number, since it is larger than the sum of its proper divisors (4385335).

64717193 is a wasteful number, since it uses less digits than its factorization.

64717193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65503.

The product of its digits is 31752, while the sum is 38.

The square root of 64717193 is about 8044.6996836426. The cubic root of 64717193 is about 401.4886053464.

The spelling of 64717193 in words is "sixty-four million, seven hundred seventeen thousand, one hundred ninety-three".