64685382 has 8 divisors (see below), whose sum is σ = 129370776. Its totient is φ = 21561792.

The previous prime is 64685371. The next prime is 64685389. The reversal of 64685382 is 28358646.

64685382 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.

64685382 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64685389) 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 3 ways as a sum of consecutive naturals, for example, 5390443 + ... + 5390454.

It is an arithmetic number, because the mean of its divisors is an integer number (16171347).

Almost surely, 2^64685382 is an apocalyptic number.

64685382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64685382 is a wasteful number, since it uses less digits than its factorization.

64685382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10780902.

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

The square root of 64685382 is about 8042.7223003160. The cubic root of 64685382 is about 401.4228121797.

The spelling of 64685382 in words is "sixty-four million, six hundred eighty-five thousand, three hundred eighty-two".