64684364 has 12 divisors (see below), whose sum is σ = 114200184. Its totient is φ = 32055744.

The previous prime is 64684357. The next prime is 64684369. The reversal of 64684364 is 46348646.

It is not an unprimeable number, because it can be changed into a prime (64684369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71102 + ... + 72005.

It is an arithmetic number, because the mean of its divisors is an integer number (9516682).

Almost surely, 2^64684364 is an apocalyptic number.

It is an amenable number.

64684364 is a deficient number, since it is larger than the sum of its proper divisors (49515820).

64684364 is a wasteful number, since it uses less digits than its factorization.

64684364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143224 (or 143222 counting only the distinct ones).

The product of its digits is 331776, while the sum is 41.

The square root of 64684364 is about 8042.6590130379. The cubic root of 64684364 is about 401.4207063430.

The spelling of 64684364 in words is "sixty-four million, six hundred eighty-four thousand, three hundred sixty-four".