33768290 has 16 divisors (see below), whose sum is σ = 64358712. Its totient is φ = 12712704.

The previous prime is 33768277. The next prime is 33768299. The reversal of 33768290 is 9286733.

It can be written as a sum of positive squares in 4 ways, for example, as 32137561 + 1630729 = 5669^2 + 1277^2 .

It is a super-2 number, since 2×33768290² = 2280594819048200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33768299) 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, 99149 + ... + 99488.

Almost surely, 2^33768290 is an apocalyptic number.

33768290 is a deficient number, since it is larger than the sum of its proper divisors (30590422).

33768290 is a wasteful number, since it uses less digits than its factorization.

33768290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198661.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 33768290 is about 5811.0489586649. The cubic root of 33768290 is about 323.2235701633.

The spelling of 33768290 in words is "thirty-three million, seven hundred sixty-eight thousand, two hundred ninety".