63722828 has 24 divisors (see below), whose sum is σ = 120351840. Its totient is φ = 29347200.

The previous prime is 63722821. The next prime is 63722833. The reversal of 63722828 is 82822736.

63722828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 63722791 and 63722800.

It is not an unprimeable number, because it can be changed into a prime (63722821) 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, 30233 + ... + 32271.

It is an arithmetic number, because the mean of its divisors is an integer number (5014660).

Almost surely, 2^63722828 is an apocalyptic number.

It is an amenable number.

63722828 is a deficient number, since it is larger than the sum of its proper divisors (56629012).

63722828 is a wasteful number, since it uses less digits than its factorization.

63722828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657 (or 2655 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 63722828 is about 7982.6579533386. The cubic root of 63722828 is about 399.4217227247.

The spelling of 63722828 in words is "sixty-three million, seven hundred twenty-two thousand, eight hundred twenty-eight".