63907216 has 40 divisors (see below), whose sum is σ = 133920000. Its totient is φ = 29428224.

The previous prime is 63907201. The next prime is 63907219. The reversal of 63907216 is 61270936.

63907216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (63907219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10285 + ... + 15283.

It is an arithmetic number, because the mean of its divisors is an integer number (3348000).

Almost surely, 2^63907216 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 63907216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66960000).

63907216 is an abundant number, since it is smaller than the sum of its proper divisors (70012784).

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

63907216 is a wasteful number, since it uses less digits than its factorization.

63907216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5071 (or 5065 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 63907216 is about 7994.1988967000. The cubic root of 63907216 is about 399.8066065125.

The spelling of 63907216 in words is "sixty-three million, nine hundred seven thousand, two hundred sixteen".