63330064 has 40 divisors (see below), whose sum is σ = 141131840. Its totient is φ = 26967168.

The previous prime is 63330037. The next prime is 63330067. The reversal of 63330064 is 46003336.

It is not an unprimeable number, because it can be changed into a prime (63330067) 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, 16522 + ... + 19990.

It is an arithmetic number, because the mean of its divisors is an integer number (3528296).

Almost surely, 2^63330064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63330064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70565920).

63330064 is an abundant number, since it is smaller than the sum of its proper divisors (77801776).

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

63330064 is a wasteful number, since it uses less digits than its factorization.

63330064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3647 (or 3641 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 63330064 is about 7958.0188489347. The cubic root of 63330064 is about 398.5994015338.

The spelling of 63330064 in words is "sixty-three million, three hundred thirty thousand, sixty-four".