64393305 has 8 divisors (see below), whose sum is σ = 103029312. Its totient is φ = 34343088.

The previous prime is 64393289. The next prime is 64393321. The reversal of 64393305 is 50339346.

64393305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64393289) and next prime (64393321).

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

It is not a de Polignac number, because 64393305 - 2⁴ = 64393289 is a prime.

It is an unprimeable number.

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, 2146429 + ... + 2146458.

It is an arithmetic number, because the mean of its divisors is an integer number (12878664).

Almost surely, 2^64393305 is an apocalyptic number.

It is an amenable number.

64393305 is a deficient number, since it is larger than the sum of its proper divisors (38636007).

64393305 is a wasteful number, since it uses less digits than its factorization.

64393305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4292895.

The product of its (nonzero) digits is 29160, while the sum is 33.

The square root of 64393305 is about 8024.5439122731. The cubic root of 64393305 is about 400.8177126427.

The spelling of 64393305 in words is "sixty-four million, three hundred ninety-three thousand, three hundred five".