64794517 has 4 divisors (see below), whose sum is σ = 64816416. Its totient is φ = 64772620.

The previous prime is 64794493. The next prime is 64794523. The reversal of 64794517 is 71549746.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64794517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64794547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5659 + ... + 12712.

It is an arithmetic number, because the mean of its divisors is an integer number (16204104).

Almost surely, 2^64794517 is an apocalyptic number.

It is an amenable number.

64794517 is a deficient number, since it is larger than the sum of its proper divisors (21899).

64794517 is a wasteful number, since it uses less digits than its factorization.

64794517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21898.

The product of its digits is 211680, while the sum is 43.

The square root of 64794517 is about 8049.5041462192. The cubic root of 64794517 is about 401.6484410234.

The spelling of 64794517 in words is "sixty-four million, seven hundred ninety-four thousand, five hundred seventeen".