63198720 has 240 divisors, whose sum is σ = 236828592. Its totient is φ = 15482880.

The previous prime is 63198697. The next prime is 63198749. The reversal of 63198720 is 2789136.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 299415 + ... + 299625.

Almost surely, 2^63198720 is an apocalyptic number.

63198720 is a gapful number since it is divisible by the number (60) 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 63198720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118414296).

63198720 is an abundant number, since it is smaller than the sum of its proper divisors (173629872).

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

63198720 is a wasteful number, since it uses less digits than its factorization.

63198720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 63198720 is about 7949.7622605962. The cubic root of 63198720 is about 398.3236511169.

The spelling of 63198720 in words is "sixty-three million, one hundred ninety-eight thousand, seven hundred twenty".