63273856 has 16 divisors (see below), whose sum is σ = 126053640. Its totient is φ = 31636864.

The previous prime is 63273823. The next prime is 63273869. The reversal of 63273856 is 65837236.

63273856 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 (16).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 247036 + ... + 247291.

Almost surely, 2^63273856 is an apocalyptic number.

It is an amenable number.

63273856 is a deficient number, since it is larger than the sum of its proper divisors (62779784).

63273856 is an equidigital number, since it uses as much as digits as its factorization.

63273856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494341 (or 494329 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 63273856 is about 7954.4865327688. The cubic root of 63273856 is about 398.4814422514.

The spelling of 63273856 in words is "sixty-three million, two hundred seventy-three thousand, eight hundred fifty-six".