63725824 has 72 divisors (see below), whose sum is σ = 135394560. Its totient is φ = 29872128.

The previous prime is 63725797. The next prime is 63725839. The reversal of 63725824 is 42852736.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465084 + ... + 465220.

It is an arithmetic number, because the mean of its divisors is an integer number (1880480).

Almost surely, 2^63725824 is an apocalyptic number.

63725824 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63725824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67697280).

63725824 is an abundant number, since it is smaller than the sum of its proper divisors (71668736).

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

63725824 is a wasteful number, since it uses less digits than its factorization.

63725824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 241 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 63725824 is about 7982.8456079270. The cubic root of 63725824 is about 399.4279823795.

The spelling of 63725824 in words is "sixty-three million, seven hundred twenty-five thousand, eight hundred twenty-four".