63675120 has 40 divisors (see below), whose sum is σ = 197393616. Its totient is φ = 16979968.

The previous prime is 63675103. The next prime is 63675121. The reversal of 63675120 is 2157636.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63675121) 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, 132417 + ... + 132896.

Almost surely, 2^63675120 is an apocalyptic number.

63675120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63675120 is an abundant number, since it is smaller than the sum of its proper divisors (133718496).

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

63675120 is a wasteful number, since it uses less digits than its factorization.

63675120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265329 (or 265323 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 63675120 is about 7979.6691660745. The cubic root of 63675120 is about 399.3220181675.

The spelling of 63675120 in words is "sixty-three million, six hundred seventy-five thousand, one hundred twenty".