63140768 has 12 divisors (see below), whose sum is σ = 124308450. Its totient is φ = 31570368.

The previous prime is 63140761. The next prime is 63140789. The reversal of 63140768 is 86704136.

63140768 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., 52823824 + 10316944 = 7268^2 + 3212^2 .

It is not an unprimeable number, because it can be changed into a prime (63140761) 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 as a sum of consecutive naturals, namely, 986543 + ... + 986606.

Almost surely, 2^63140768 is an apocalyptic number.

It is an amenable number.

63140768 is a deficient number, since it is larger than the sum of its proper divisors (61167682).

63140768 is a wasteful number, since it uses less digits than its factorization.

63140768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973159 (or 1973151 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 63140768 is about 7946.1165357676. The cubic root of 63140768 is about 398.2018621968.

The spelling of 63140768 in words is "sixty-three million, one hundred forty thousand, seven hundred sixty-eight".