63418720 has 48 divisors (see below), whose sum is σ = 151054848. Its totient is φ = 25159680.

The previous prime is 63418717. The next prime is 63418741. The reversal of 63418720 is 2781436.

63418720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 18760 + ... + 21880.

It is an arithmetic number, because the mean of its divisors is an integer number (3146976).

Almost surely, 2^63418720 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 63418720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75527424).

63418720 is an abundant number, since it is smaller than the sum of its proper divisors (87636128).

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

63418720 is a wasteful number, since it uses less digits than its factorization.

63418720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263 (or 3255 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 63418720 is about 7963.5871314377. The cubic root of 63418720 is about 398.7853150852.

The spelling of 63418720 in words is "sixty-three million, four hundred eighteen thousand, seven hundred twenty".