33133969 has 16 divisors (see below), whose sum is σ = 38537856. Its totient is φ = 28153600.

The previous prime is 33133949. The next prime is 33133993. The reversal of 33133969 is 96933133.

It is a cyclic number.

It is not a de Polignac number, because 33133969 - 2¹¹ = 33131921 is a prime.

It is a super-2 number, since 2×33133969² = 2195719803385922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33133949) 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, 30699 + ... + 31759.

It is an arithmetic number, because the mean of its divisors is an integer number (2408616).

Almost surely, 2^33133969 is an apocalyptic number.

It is an amenable number.

33133969 is a deficient number, since it is larger than the sum of its proper divisors (5403887).

33133969 is a wasteful number, since it uses less digits than its factorization.

33133969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256.

The product of its digits is 39366, while the sum is 37.

The square root of 33133969 is about 5756.2113408039. The cubic root of 33133969 is about 321.1868976271.

The spelling of 33133969 in words is "thirty-three million, one hundred thirty-three thousand, nine hundred sixty-nine".