63456634 has 8 divisors (see below), whose sum is σ = 95302260. Its totient is φ = 31689216.

The previous prime is 63456629. The next prime is 63456647. The reversal of 63456634 is 43665436.

63456634 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 59059225 + 4397409 = 7685^2 + 2097^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 63456593 and 63456602.

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, 17479 + ... + 20794.

Almost surely, 2^63456634 is an apocalyptic number.

63456634 is a deficient number, since it is larger than the sum of its proper divisors (31845626).

63456634 is a wasteful number, since it uses less digits than its factorization.

63456634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39104.

The product of its digits is 155520, while the sum is 37.

The square root of 63456634 is about 7965.9672356846. The cubic root of 63456634 is about 398.8647686726.

The spelling of 63456634 in words is "sixty-three million, four hundred fifty-six thousand, six hundred thirty-four".