63768914 has 16 divisors (see below), whose sum is σ = 106777440. Its totient is φ = 28311360.

The previous prime is 63768907. The next prime is 63768917. The reversal of 63768914 is 41986736.

It is not an unprimeable number, because it can be changed into a prime (63768917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32759 + ... + 34650.

It is an arithmetic number, because the mean of its divisors is an integer number (6673590).

Almost surely, 2^63768914 is an apocalyptic number.

63768914 is a deficient number, since it is larger than the sum of its proper divisors (43008526).

63768914 is a wasteful number, since it uses less digits than its factorization.

63768914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67465.

The product of its digits is 217728, while the sum is 44.

The square root of 63768914 is about 7985.5440641199. The cubic root of 63768914 is about 399.5179902331.

The spelling of 63768914 in words is "sixty-three million, seven hundred sixty-eight thousand, nine hundred fourteen".