33666073 has 8 divisors (see below), whose sum is σ = 38533248. Its totient is φ = 28813344.

The previous prime is 33666047. The next prime is 33666079. The reversal of 33666073 is 37066633.

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

It is not a de Polignac number, because 33666073 - 2⁹ = 33665561 is a prime.

It is a super-2 number, since 2×33666073² = 2266808942482658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33666079) 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, 1965 + ... + 8437.

It is an arithmetic number, because the mean of its divisors is an integer number (4816656).

Almost surely, 2^33666073 is an apocalyptic number.

It is an amenable number.

33666073 is a deficient number, since it is larger than the sum of its proper divisors (4867175).

33666073 is an equidigital number, since it uses as much as digits as its factorization.

33666073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7223.

The product of its (nonzero) digits is 40824, while the sum is 34.

The square root of 33666073 is about 5802.2472370626. The cubic root of 33666073 is about 322.8971067241.

The spelling of 33666073 in words is "thirty-three million, six hundred sixty-six thousand, seventy-three".