63318428 has 12 divisors (see below), whose sum is σ = 110947032. Its totient is φ = 31619280.

The previous prime is 63318407. The next prime is 63318481. The reversal of 63318428 is 82481336.

It is a happy number.

63318428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 6263 + ... + 12878.

It is an arithmetic number, because the mean of its divisors is an integer number (9245586).

Almost surely, 2^63318428 is an apocalyptic number.

It is an amenable number.

63318428 is a deficient number, since it is larger than the sum of its proper divisors (47628604).

63318428 is a wasteful number, since it uses less digits than its factorization.

63318428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19972 (or 19970 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 63318428 is about 7957.2877288684. The cubic root of 63318428 is about 398.5749877119.

The spelling of 63318428 in words is "sixty-three million, three hundred eighteen thousand, four hundred twenty-eight".