63765632 has 32 divisors (see below), whose sum is σ = 145182720. Its totient is φ = 27327744.

The previous prime is 63765629. The next prime is 63765641. The reversal of 63765632 is 23656736.

63765632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

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 3 ways as a sum of consecutive naturals, for example, 34688 + ... + 36479.

It is an arithmetic number, because the mean of its divisors is an integer number (4536960).

Almost surely, 2^63765632 is an apocalyptic number.

It is an amenable number.

63765632 is an abundant number, since it is smaller than the sum of its proper divisors (81417088).

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

63765632 is an equidigital number, since it uses as much as digits as its factorization.

63765632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71188 (or 71176 counting only the distinct ones).

The product of its digits is 136080, while the sum is 38.

The square root of 63765632 is about 7985.3385651455. The cubic root of 63765632 is about 399.5111361070.

The spelling of 63765632 in words is "sixty-three million, seven hundred sixty-five thousand, six hundred thirty-two".