33632272 has 20 divisors (see below), whose sum is σ = 67265536. Its totient is φ = 16273440.

The previous prime is 33632237. The next prime is 33632311. The reversal of 33632272 is 27223633.

33632272 is an admirable number.

It is a super-2 number, since 2×33632272² = 2262259439763968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33632272.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33408 + ... + 34399.

Almost surely, 2^33632272 is an apocalyptic number.

It is an amenable number.

33632272 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

33632272 is a wasteful number, since it uses less digits than its factorization.

33632272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67846 (or 67840 counting only the distinct ones).

The product of its digits is 9072, while the sum is 28.

The square root of 33632272 is about 5799.3337548377. Note that the first 3 decimals coincide. The cubic root of 33632272 is about 322.7890068000.

The spelling of 33632272 in words is "thirty-three million, six hundred thirty-two thousand, two hundred seventy-two".