63530720 has 48 divisors (see below), whose sum is σ = 163740528. Its totient is φ = 23101440.

The previous prime is 63530711. The next prime is 63530723. The reversal of 63530720 is 2703536.

63530720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 63530720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63530723) 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, 16289 + ... + 19808.

It is an arithmetic number, because the mean of its divisors is an integer number (3411261).

Almost surely, 2^63530720 is an apocalyptic number.

It is an amenable number.

63530720 is an abundant number, since it is smaller than the sum of its proper divisors (100209808).

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

63530720 is a wasteful number, since it uses less digits than its factorization.

63530720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36123 (or 36115 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 63530720 is about 7970.6160364178. The cubic root of 63530720 is about 399.0199339710.

The spelling of 63530720 in words is "sixty-three million, five hundred thirty thousand, seven hundred twenty".