33042290 has 16 divisors (see below), whose sum is σ = 59579712. Its totient is φ = 13193904.

The previous prime is 33042277. The next prime is 33042299. The reversal of 33042290 is 9224033.

It is not an unprimeable number, because it can be changed into a prime (33042299) 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, 3917 + ... + 9023.

It is an arithmetic number, because the mean of its divisors is an integer number (3723732).

Almost surely, 2^33042290 is an apocalyptic number.

33042290 is a deficient number, since it is larger than the sum of its proper divisors (26537422).

33042290 is a wasteful number, since it uses less digits than its factorization.

33042290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5761.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 33042290 is about 5748.2423400549. The cubic root of 33042290 is about 320.8903913063.

The spelling of 33042290 in words is "thirty-three million, forty-two thousand, two hundred ninety".