63913472 has 80 divisors (see below), whose sum is σ = 154677600. Its totient is φ = 25755648.

The previous prime is 63913463. The next prime is 63913513. The reversal of 63913472 is 27431936.

63913472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

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, 60404 + ... + 61452.

It is an arithmetic number, because the mean of its divisors is an integer number (1933470).

Almost surely, 2^63913472 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 63913472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77338800).

63913472 is an abundant number, since it is smaller than the sum of its proper divisors (90764128).

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

63913472 is a wasteful number, since it uses less digits than its factorization.

63913472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091 (or 1075 counting only the distinct ones).

The product of its digits is 27216, while the sum is 35.

The square root of 63913472 is about 7994.5901708593. The cubic root of 63913472 is about 399.8196520321.

The spelling of 63913472 in words is "sixty-three million, nine hundred thirteen thousand, four hundred seventy-two".