64084664 has 32 divisors (see below), whose sum is σ = 142063200. Its totient is φ = 26517120.

The previous prime is 64084661. The next prime is 64084687. The reversal of 64084664 is 46648046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64084661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18107 + ... + 21354.

It is an arithmetic number, because the mean of its divisors is an integer number (4439475).

Almost surely, 2^64084664 is an apocalyptic number.

It is an amenable number.

64084664 is an abundant number, since it is smaller than the sum of its proper divisors (77978536).

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

64084664 is a wasteful number, since it uses less digits than its factorization.

64084664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39503 (or 39499 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 64084664 is about 8005.2897511583. The cubic root of 64084664 is about 400.1763056127.

The spelling of 64084664 in words is "sixty-four million, eighty-four thousand, six hundred sixty-four".