64584668 has 12 divisors (see below), whose sum is σ = 113225112. Its totient is φ = 32234640.

The previous prime is 64584661. The next prime is 64584671. The reversal of 64584668 is 86648546.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64584661) 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, 11855 + ... + 16422.

It is an arithmetic number, because the mean of its divisors is an integer number (9435426).

Almost surely, 2^64584668 is an apocalyptic number.

It is an amenable number.

64584668 is a deficient number, since it is larger than the sum of its proper divisors (48640444).

64584668 is a wasteful number, since it uses less digits than its factorization.

64584668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28852 (or 28850 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 47.

The square root of 64584668 is about 8036.4586728235. The cubic root of 64584668 is about 401.2143678791.

The spelling of 64584668 in words is "sixty-four million, five hundred eighty-four thousand, six hundred sixty-eight".