63745712 has 20 divisors (see below), whose sum is σ = 127767120. Its totient is φ = 30773568.

The previous prime is 63745711. The next prime is 63745751. The reversal of 63745712 is 21754736.

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 3 ways as a sum of consecutive naturals, for example, 68228 + ... + 69155.

It is an arithmetic number, because the mean of its divisors is an integer number (6388356).

Almost surely, 2^63745712 is an apocalyptic number.

It is an amenable number.

63745712 is an abundant number, since it is smaller than the sum of its proper divisors (64021408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63745712 is a wasteful number, since it uses less digits than its factorization.

63745712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137420 (or 137414 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 63745712 is about 7984.0911818441. The cubic root of 63745712 is about 399.4695301487.

The spelling of 63745712 in words is "sixty-three million, seven hundred forty-five thousand, seven hundred twelve".