63531368 has 32 divisors (see below), whose sum is σ = 124104960. Its totient is φ = 30461760.

The previous prime is 63531367. The next prime is 63531371. The reversal of 63531368 is 86313536.

63531368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (63531361) 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, 19505 + ... + 22527.

It is an arithmetic number, because the mean of its divisors is an integer number (3878280).

Almost surely, 2^63531368 is an apocalyptic number.

It is an amenable number.

63531368 is a deficient number, since it is larger than the sum of its proper divisors (60573592).

63531368 is a wasteful number, since it uses less digits than its factorization.

63531368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137 (or 3133 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 63531368 is about 7970.6566856188. The cubic root of 63531368 is about 399.0212906062.

The spelling of 63531368 in words is "sixty-three million, five hundred thirty-one thousand, three hundred sixty-eight".