63972063 has 12 divisors (see below), whose sum is σ = 92488968. Its totient is φ = 42608880.

The previous prime is 63972061. The next prime is 63972079. The reversal of 63972063 is 36027936.

It is not a de Polignac number, because 63972063 - 2¹ = 63972061 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63972061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9856 + ... + 15002.

It is an arithmetic number, because the mean of its divisors is an integer number (7707414).

Almost surely, 2^63972063 is an apocalyptic number.

63972063 is a deficient number, since it is larger than the sum of its proper divisors (28516905).

63972063 is a wasteful number, since it uses less digits than its factorization.

63972063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6534 (or 6531 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 63972063 is about 7998.2537469125. The cubic root of 63972063 is about 399.9417894459.

Adding to 63972063 its reverse (36027936), we get a palindrome (99999999).

The spelling of 63972063 in words is "sixty-three million, nine hundred seventy-two thousand, sixty-three".