64328685 has 8 divisors (see below), whose sum is σ = 102925920. Its totient is φ = 34308624.

The previous prime is 64328683. The next prime is 64328701. The reversal of 64328685 is 58682346.

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

It is not a de Polignac number, because 64328685 - 2¹ = 64328683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64328683) 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 7 ways as a sum of consecutive naturals, for example, 2144275 + ... + 2144304.

It is an arithmetic number, because the mean of its divisors is an integer number (12865740).

Almost surely, 2^64328685 is an apocalyptic number.

It is an amenable number.

64328685 is a deficient number, since it is larger than the sum of its proper divisors (38597235).

64328685 is a wasteful number, since it uses less digits than its factorization.

64328685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288587.

The product of its digits is 276480, while the sum is 42.

The square root of 64328685 is about 8020.5165045650. The cubic root of 64328685 is about 400.6835915078.

The spelling of 64328685 in words is "sixty-four million, three hundred twenty-eight thousand, six hundred eighty-five".