63275128 has 32 divisors (see below), whose sum is σ = 135871200. Its totient is φ = 27061632.

The previous prime is 63275099. The next prime is 63275171. The reversal of 63275128 is 82157236.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 63275093 and 63275102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37078 + ... + 38746.

It is an arithmetic number, because the mean of its divisors is an integer number (4245975).

Almost surely, 2^63275128 is an apocalyptic number.

It is an amenable number.

63275128 is an abundant number, since it is smaller than the sum of its proper divisors (72596072).

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

63275128 is a wasteful number, since it uses less digits than its factorization.

63275128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359 (or 2355 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 63275128 is about 7954.5664872449. The cubic root of 63275128 is about 398.4841124695.

The spelling of 63275128 in words is "sixty-three million, two hundred seventy-five thousand, one hundred twenty-eight".