33973321 has 8 divisors (see below), whose sum is σ = 34725600. Its totient is φ = 33227040.

The previous prime is 33973309. The next prime is 33973343. The reversal of 33973321 is 12337933.

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

It is a cyclic number.

It is not a de Polignac number, because 33973321 - 2⁷ = 33973193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33973391) 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, 11085 + ... + 13813.

It is an arithmetic number, because the mean of its divisors is an integer number (4340700).

Almost surely, 2^33973321 is an apocalyptic number.

It is an amenable number.

33973321 is a deficient number, since it is larger than the sum of its proper divisors (752279).

33973321 is a wasteful number, since it uses less digits than its factorization.

33973321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999.

The product of its digits is 10206, while the sum is 31.

The square root of 33973321 is about 5828.6637405155. The cubic root of 33973321 is about 323.8764230498.

The spelling of 33973321 in words is "thirty-three million, nine hundred seventy-three thousand, three hundred twenty-one".