63720112 has 20 divisors (see below), whose sum is σ = 125483536. Its totient is φ = 31337280.

The previous prime is 63720089. The next prime is 63720113. The reversal of 63720112 is 21102736.

It is not an unprimeable number, because it can be changed into a prime (63720113) 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, 31668 + ... + 33619.

Almost surely, 2^63720112 is an apocalyptic number.

It is an amenable number.

63720112 is a deficient number, since it is larger than the sum of its proper divisors (61763424).

63720112 is a wasteful number, since it uses less digits than its factorization.

63720112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65356 (or 65350 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 63720112 is about 7982.4878327499. The cubic root of 63720112 is about 399.4160479148.

Adding to 63720112 its reverse (21102736), we get a palindrome (84822848).

The spelling of 63720112 in words is "sixty-three million, seven hundred twenty thousand, one hundred twelve".