63505630 has 8 divisors (see below), whose sum is σ = 114310152. Its totient is φ = 25402248.

The previous prime is 63505583. The next prime is 63505633. The reversal of 63505630 is 3650536.

63505630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63505633) 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 3 ways as a sum of consecutive naturals, for example, 3175272 + ... + 3175291.

It is an arithmetic number, because the mean of its divisors is an integer number (14288769).

Almost surely, 2^63505630 is an apocalyptic number.

63505630 is a deficient number, since it is larger than the sum of its proper divisors (50804522).

63505630 is a wasteful number, since it uses less digits than its factorization.

63505630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6350570.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 63505630 is about 7969.0419750432. The cubic root of 63505630 is about 398.9673991324.

The spelling of 63505630 in words is "sixty-three million, five hundred five thousand, six hundred thirty".