63668714 has 4 divisors (see below), whose sum is σ = 95503074. Its totient is φ = 31834356.

The previous prime is 63668713. The next prime is 63668747. The reversal of 63668714 is 41786636.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 47128225 + 16540489 = 6865^2 + 4067^2 .

It is not an unprimeable number, because it can be changed into a prime (63668713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15917177 + ... + 15917180.

Almost surely, 2^63668714 is an apocalyptic number.

63668714 is a deficient number, since it is larger than the sum of its proper divisors (31834360).

63668714 is a wasteful number, since it uses less digits than its factorization.

63668714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31834359.

The product of its digits is 145152, while the sum is 41.

The square root of 63668714 is about 7979.2677608913. The cubic root of 63668714 is about 399.3086265286.

The spelling of 63668714 in words is "sixty-three million, six hundred sixty-eight thousand, seven hundred fourteen".