33670081 has 8 divisors (see below), whose sum is σ = 35804160. Its totient is φ = 31553088.

The previous prime is 33670069. The next prime is 33670097. The reversal of 33670081 is 18007633.

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

It is not a de Polignac number, because 33670081 - 2¹⁵ = 33637313 is a prime.

It is a super-2 number, since 2×33670081² = 2267348709093122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33670981) 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, 81 + ... + 8206.

It is an arithmetic number, because the mean of its divisors is an integer number (4475520).

Almost surely, 2^33670081 is an apocalyptic number.

It is an amenable number.

33670081 is a deficient number, since it is larger than the sum of its proper divisors (2134079).

33670081 is a wasteful number, since it uses less digits than its factorization.

33670081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8543.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 33670081 is about 5802.5926102045. The cubic root of 33670081 is about 322.9099200218.

The spelling of 33670081 in words is "thirty-three million, six hundred seventy thousand, eighty-one".