64684365 has 8 divisors (see below), whose sum is σ = 103495008. Its totient is φ = 34498320.

The previous prime is 64684357. The next prime is 64684369. The reversal of 64684365 is 56348646.

64684365 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 not a de Polignac number, because 64684365 - 2³ = 64684357 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64684369) 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 7 ways as a sum of consecutive naturals, for example, 2156131 + ... + 2156160.

It is an arithmetic number, because the mean of its divisors is an integer number (12936876).

Almost surely, 2^64684365 is an apocalyptic number.

It is an amenable number.

64684365 is a deficient number, since it is larger than the sum of its proper divisors (38810643).

64684365 is a wasteful number, since it uses less digits than its factorization.

64684365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312299.

The product of its digits is 414720, while the sum is 42.

The square root of 64684365 is about 8042.6590752064. The cubic root of 64684365 is about 401.4207084116.

The spelling of 64684365 in words is "sixty-four million, six hundred eighty-four thousand, three hundred sixty-five".