63996132 has 12 divisors (see below), whose sum is σ = 149324336. Its totient is φ = 21332040.

The previous prime is 63996131. The next prime is 63996139. The reversal of 63996132 is 23169936.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×63996132² = 8191009821922848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63996131) 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, 2666494 + ... + 2666517.

Almost surely, 2^63996132 is an apocalyptic number.

It is an amenable number.

63996132 is an abundant number, since it is smaller than the sum of its proper divisors (85328204).

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

63996132 is a wasteful number, since it uses less digits than its factorization.

63996132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5333018 (or 5333016 counting only the distinct ones).

The product of its digits is 52488, while the sum is 39.

The square root of 63996132 is about 7999.7582463472. The cubic root of 63996132 is about 399.9919415043.

The spelling of 63996132 in words is "sixty-three million, nine hundred ninety-six thousand, one hundred thirty-two".