33133330 has 32 divisors (see below), whose sum is σ = 61544448. Its totient is φ = 12835200.

The previous prime is 33133297. The next prime is 33133337. The reversal of 33133330 is 3333133.

It is a junction number, because it is equal to n+sod(n) for n = 33133298 and 33133307.

It is not an unprimeable number, because it can be changed into a prime (33133337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86319 + ... + 86701.

It is an arithmetic number, because the mean of its divisors is an integer number (1923264).

Almost surely, 2^33133330 is an apocalyptic number.

33133330 is a deficient number, since it is larger than the sum of its proper divisors (28411118).

33133330 is a wasteful number, since it uses less digits than its factorization.

33133330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642.

The product of its (nonzero) digits is 729, while the sum is 19.

The square root of 33133330 is about 5756.1558352776. The cubic root of 33133330 is about 321.1848328805.

Adding to 33133330 its reverse (3333133), we get a palindrome (36466463).

The spelling of 33133330 in words is "thirty-three million, one hundred thirty-three thousand, three hundred thirty".