33245690 has 8 divisors (see below), whose sum is σ = 59842260. Its totient is φ = 13298272.

The previous prime is 33245689. The next prime is 33245699. The reversal of 33245690 is 9654233.

It can be written as a sum of positive squares in 2 ways, for example, as 29669809 + 3575881 = 5447^2 + 1891^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×33245690² = 2210551807152200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33245699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1662275 + ... + 1662294.

Almost surely, 2^33245690 is an apocalyptic number.

33245690 is a deficient number, since it is larger than the sum of its proper divisors (26596570).

33245690 is a wasteful number, since it uses less digits than its factorization.

33245690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324576.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 33245690 is about 5765.9075608268. The cubic root of 33245690 is about 321.5474849381.

The spelling of 33245690 in words is "thirty-three million, two hundred forty-five thousand, six hundred ninety".