63143632 has 10 divisors (see below), whose sum is σ = 122340818. Its totient is φ = 31571808.

The previous prime is 63143599. The next prime is 63143657. The reversal of 63143632 is 23634136.

It can be written as a sum of positive squares in only one way, i.e., 53056656 + 10086976 = 7284^2 + 3176^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63143632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1973223 + ... + 1973254.

Almost surely, 2^63143632 is an apocalyptic number.

It is an amenable number.

63143632 is a deficient number, since it is larger than the sum of its proper divisors (59197186).

63143632 is a wasteful number, since it uses less digits than its factorization.

63143632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3946485 (or 3946479 counting only the distinct ones).

The product of its digits is 7776, while the sum is 28.

The square root of 63143632 is about 7946.2967475422. The cubic root of 63143632 is about 398.2078827808.

Adding to 63143632 its reverse (23634136), we get a palindrome (86777768).

The spelling of 63143632 in words is "sixty-three million, one hundred forty-three thousand, six hundred thirty-two".