33672189 has 16 divisors (see below), whose sum is σ = 47725632. Its totient is φ = 21043968.

The previous prime is 33672181. The next prime is 33672239. The reversal of 33672189 is 98127633.

It is not a de Polignac number, because 33672189 - 2³ = 33672181 is a prime.

It is a super-2 number, since 2×33672189² = 2267632624103442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33672181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13267 + ... + 15599.

It is an arithmetic number, because the mean of its divisors is an integer number (2982852).

Almost surely, 2^33672189 is an apocalyptic number.

It is an amenable number.

33672189 is a deficient number, since it is larger than the sum of its proper divisors (14053443).

33672189 is a wasteful number, since it uses less digits than its factorization.

33672189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636.

The product of its digits is 54432, while the sum is 39.

The square root of 33672189 is about 5802.7742503048. The cubic root of 33672189 is about 322.9166587434.

The spelling of 33672189 in words is "thirty-three million, six hundred seventy-two thousand, one hundred eighty-nine".