63628920 has 48 divisors (see below), whose sum is σ = 206795160. Its totient is φ = 16967616.

The previous prime is 63628913. The next prime is 63628933. The reversal of 63628920 is 2982636.

63628920 is a `hidden beast` number, since 6 + 3 + 628 + 9 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88014 + ... + 88733.

Almost surely, 2^63628920 is an apocalyptic number.

63628920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63628920 is an abundant number, since it is smaller than the sum of its proper divisors (143166240).

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

63628920 is a wasteful number, since it uses less digits than its factorization.

63628920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176764 (or 176757 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 63628920 is about 7976.7737839304. The cubic root of 63628920 is about 399.2254176905.

The spelling of 63628920 in words is "sixty-three million, six hundred twenty-eight thousand, nine hundred twenty".