32543632 has 40 divisors (see below), whose sum is σ = 69236640. Its totient is φ = 14695680.

The previous prime is 32543611. The next prime is 32543639. The reversal of 32543632 is 23634523.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 32543632.

It is not an unprimeable number, because it can be changed into a prime (32543639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30988 + ... + 32020.

It is an arithmetic number, because the mean of its divisors is an integer number (1730916).

Almost surely, 2^32543632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32543632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34618320).

32543632 is an abundant number, since it is smaller than the sum of its proper divisors (36693008).

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

32543632 is a wasteful number, since it uses less digits than its factorization.

32543632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231 (or 1225 counting only the distinct ones).

The product of its digits is 12960, while the sum is 28.

The square root of 32543632 is about 5704.7026215220. The cubic root of 32543632 is about 319.2679620701.

It can be divided in two parts, 3254 and 3632, that added together give a palindrome (6886).

The spelling of 32543632 in words is "thirty-two million, five hundred forty-three thousand, six hundred thirty-two".