64909318 has 8 divisors (see below), whose sum is σ = 97615440. Its totient is φ = 32370840.

The previous prime is 64909291. The next prime is 64909331. The reversal of 64909318 is 81390946.

64909318 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 congruent number.

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 3 ways as a sum of consecutive naturals, for example, 40938 + ... + 42493.

It is an arithmetic number, because the mean of its divisors is an integer number (12201930).

Almost surely, 2^64909318 is an apocalyptic number.

64909318 is a deficient number, since it is larger than the sum of its proper divisors (32706122).

64909318 is a wasteful number, since it uses less digits than its factorization.

64909318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83822.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 64909318 is about 8056.6319265559. The cubic root of 64909318 is about 401.8855106587.

The spelling of 64909318 in words is "sixty-four million, nine hundred nine thousand, three hundred eighteen".