63679713 has 4 divisors (see below), whose sum is σ = 84906288. Its totient is φ = 42453140.

The previous prime is 63679691. The next prime is 63679729. The reversal of 63679713 is 31797636.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63679713 - 2¹² = 63675617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63679513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10613283 + ... + 10613288.

It is an arithmetic number, because the mean of its divisors is an integer number (21226572).

Almost surely, 2^63679713 is an apocalyptic number.

It is an amenable number.

63679713 is a deficient number, since it is larger than the sum of its proper divisors (21226575).

63679713 is a wasteful number, since it uses less digits than its factorization.

63679713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21226574.

The product of its digits is 142884, while the sum is 42.

The square root of 63679713 is about 7979.9569547711. The cubic root of 63679713 is about 399.3316192065.

The spelling of 63679713 in words is "sixty-three million, six hundred seventy-nine thousand, seven hundred thirteen".