33730033 has 4 divisors (see below), whose sum is σ = 33773680. Its totient is φ = 33686388.

The previous prime is 33730007. The next prime is 33730043. The reversal of 33730033 is 33003733.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33003733 = 7 ⋅4714819.

It is a cyclic number.

It is not a de Polignac number, because 33730033 - 2⁵ = 33730001 is a prime.

It is a super-2 number, since 2×33730033² = 2275430252362178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33729986 and 33730013.

It is not an unprimeable number, because it can be changed into a prime (33730043) 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, 20643 + ... + 22216.

It is an arithmetic number, because the mean of its divisors is an integer number (8443420).

Almost surely, 2^33730033 is an apocalyptic number.

It is an amenable number.

33730033 is a deficient number, since it is larger than the sum of its proper divisors (43647).

33730033 is an equidigital number, since it uses as much as digits as its factorization.

33730033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43646.

The product of its (nonzero) digits is 1701, while the sum is 22.

The square root of 33730033 is about 5807.7562793216. The cubic root of 33730033 is about 323.1014611588.

Adding to 33730033 its reverse (33003733), we get a palindrome (66733766).

The spelling of 33730033 in words is "thirty-three million, seven hundred thirty thousand, thirty-three".