33000730 has 16 divisors (see below), whose sum is σ = 67887360. Its totient is φ = 11314512.

The previous prime is 33000691. The next prime is 33000733. The reversal of 33000730 is 3700033.

It is not an unprimeable number, because it can be changed into a prime (33000733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235650 + ... + 235789.

It is an arithmetic number, because the mean of its divisors is an integer number (4242960).

Almost surely, 2^33000730 is an apocalyptic number.

33000730 is an abundant number, since it is smaller than the sum of its proper divisors (34886630).

33000730 is a wasteful number, since it uses less digits than its factorization.

33000730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471453.

The product of its (nonzero) digits is 189, while the sum is 16.

The square root of 33000730 is about 5744.6261845311. The cubic root of 33000730 is about 320.7557981337.

Adding to 33000730 its reverse (3700033), we get a palindrome (36700763).

The spelling of 33000730 in words is "thirty-three million, seven hundred thirty", and thus it is an aban number.