33668814 has 8 divisors (see below), whose sum is σ = 67337640. Its totient is φ = 11222936.

The previous prime is 33668813. The next prime is 33668851. The reversal of 33668814 is 41886633.

33668814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

33668814 is an admirable number.

It is a super-3 number, since 3×33668814³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33668813) 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 3 ways as a sum of consecutive naturals, for example, 2805729 + ... + 2805740.

It is an arithmetic number, because the mean of its divisors is an integer number (8417205).

Almost surely, 2^33668814 is an apocalyptic number.

33668814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33668814 is a wasteful number, since it uses less digits than its factorization.

33668814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611474.

The product of its digits is 82944, while the sum is 39.

The square root of 33668814 is about 5802.4834338411. The cubic root of 33668814 is about 322.9058696207.

The spelling of 33668814 in words is "thirty-three million, six hundred sixty-eight thousand, eight hundred fourteen".