63297812 has 6 divisors (see below), whose sum is σ = 110771178. Its totient is φ = 31648904.

The previous prime is 63297799. The next prime is 63297821. The reversal of 63297812 is 21879236.

63297812 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 only one way, i.e., 32672656 + 30625156 = 5716^2 + 5534^2 .

It is a super-2 number, since 2×63297812² = 8013226007974688, which contains 22 as substring.

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, 7912223 + ... + 7912230.

It is an arithmetic number, because the mean of its divisors is an integer number (18461863).

Almost surely, 2^63297812 is an apocalyptic number.

It is an amenable number.

63297812 is a deficient number, since it is larger than the sum of its proper divisors (47473366).

63297812 is a wasteful number, since it uses less digits than its factorization.

63297812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15824457 (or 15824455 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 63297812 is about 7955.9922071354. The cubic root of 63297812 is about 398.5317253517.

It can be divided in two parts, 6329 and 7812, that added together give a palindrome (14141).

The spelling of 63297812 in words is "sixty-three million, two hundred ninety-seven thousand, eight hundred twelve".