64320084 has 36 divisors (see below), whose sum is σ = 162830304. Its totient is φ = 21407952.

The previous prime is 64320079. The next prime is 64320127. The reversal of 64320084 is 48002346.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46369 + ... + 47735.

It is an arithmetic number, because the mean of its divisors is an integer number (4523064).

Almost surely, 2^64320084 is an apocalyptic number.

It is an amenable number.

64320084 is an abundant number, since it is smaller than the sum of its proper divisors (98510220).

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

64320084 is a wasteful number, since it uses less digits than its factorization.

64320084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684 (or 2679 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 64320084 is about 8019.9802992277. The cubic root of 64320084 is about 400.6657330507.

The spelling of 64320084 in words is "sixty-four million, three hundred twenty thousand, eighty-four".