63872328 has 32 divisors (see below), whose sum is σ = 171964800. Its totient is φ = 19652928.

The previous prime is 63872321. The next prime is 63872351. The reversal of 63872328 is 82327836.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (63872321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102048 + ... + 102671.

It is an arithmetic number, because the mean of its divisors is an integer number (5373900).

Almost surely, 2^63872328 is an apocalyptic number.

It is an amenable number.

63872328 is an abundant number, since it is smaller than the sum of its proper divisors (108092472).

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

63872328 is a wasteful number, since it uses less digits than its factorization.

63872328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204741 (or 204737 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 63872328 is about 7992.0165164994. The cubic root of 63872328 is about 399.7338396026.

The spelling of 63872328 in words is "sixty-three million, eight hundred seventy-two thousand, three hundred twenty-eight".