63745713 has 6 divisors (see below), whose sum is σ = 92077154. Its totient is φ = 42497136.

The previous prime is 63745711. The next prime is 63745751. The reversal of 63745713 is 31754736.

63745713 is a `hidden beast` number, since 637 + 4 + 5 + 7 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 63728289 + 17424 = 7983^2 + 132^2 .

It is not a de Polignac number, because 63745713 - 2¹ = 63745711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63745711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3541420 + ... + 3541437.

Almost surely, 2^63745713 is an apocalyptic number.

It is an amenable number.

63745713 is a deficient number, since it is larger than the sum of its proper divisors (28331441).

63745713 is a wasteful number, since it uses less digits than its factorization.

63745713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7082863 (or 7082860 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 63745713 is about 7984.0912444686. The cubic root of 63745713 is about 399.4695322375.

The spelling of 63745713 in words is "sixty-three million, seven hundred forty-five thousand, seven hundred thirteen".