63685232 has 40 divisors (see below), whose sum is σ = 133574784. Its totient is φ = 29240064.

The previous prime is 63685231. The next prime is 63685301. The reversal of 63685232 is 23258636.

63685232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 63685192 and 63685201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63685231) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 45698 + ... + 47070.

Almost surely, 2^63685232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63685232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66787392).

63685232 is an abundant number, since it is smaller than the sum of its proper divisors (69889552).

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

63685232 is a wasteful number, since it uses less digits than its factorization.

63685232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617 (or 1611 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 63685232 is about 7980.3027511492. The cubic root of 63685232 is about 399.3431553114.

The spelling of 63685232 in words is "sixty-three million, six hundred eighty-five thousand, two hundred thirty-two".