32003472 has 80 divisors (see below), whose sum is σ = 86869440. Its totient is φ = 10139136.

The previous prime is 32003471. The next prime is 32003479. The reversal of 32003472 is 27430023.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (32003471) 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 15 ways as a sum of consecutive naturals, for example, 115398 + ... + 115674.

It is an arithmetic number, because the mean of its divisors is an integer number (1085868).

Almost surely, 2^32003472 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 32003472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43434720).

32003472 is an abundant number, since it is smaller than the sum of its proper divisors (54865968).

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

32003472 is a wasteful number, since it uses less digits than its factorization.

32003472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 32003472 is about 5657.1611255116. The cubic root of 32003472 is about 317.4916921793.

Adding to 32003472 its reverse (27430023), we get a palindrome (59433495).

The spelling of 32003472 in words is "thirty-two million, three thousand, four hundred seventy-two".