63075636 has 36 divisors (see below), whose sum is σ = 171707172. Its totient is φ = 19407744.

The previous prime is 63075629. The next prime is 63075641. The reversal of 63075636 is 63657036.

63075636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 20304036 + 42771600 = 4506^2 + 6540^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 63075636.

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 11 ways as a sum of consecutive naturals, for example, 66921 + ... + 67856.

Almost surely, 2^63075636 is an apocalyptic number.

It is an amenable number.

63075636 is an abundant number, since it is smaller than the sum of its proper divisors (108631536).

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

63075636 is a wasteful number, since it uses less digits than its factorization.

63075636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134800 (or 134795 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The square root of 63075636 is about 7942.0171241316. The cubic root of 63075636 is about 398.0648951864.

The spelling of 63075636 in words is "sixty-three million, seventy-five thousand, six hundred thirty-six".