33143372 has 12 divisors (see below), whose sum is σ = 61053720. Its totient is φ = 15699456.

The previous prime is 33143351. The next prime is 33143377. The reversal of 33143372 is 27334133.

It is not an unprimeable number, because it can be changed into a prime (33143377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217973 + ... + 218124.

It is an arithmetic number, because the mean of its divisors is an integer number (5087810).

Almost surely, 2^33143372 is an apocalyptic number.

It is an amenable number.

33143372 is a deficient number, since it is larger than the sum of its proper divisors (27910348).

33143372 is a wasteful number, since it uses less digits than its factorization.

33143372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436120 (or 436118 counting only the distinct ones).

The product of its digits is 4536, while the sum is 26.

The square root of 33143372 is about 5757.0280527369. The cubic root of 33143372 is about 321.2172776756.

The spelling of 33143372 in words is "thirty-three million, one hundred forty-three thousand, three hundred seventy-two".