33673121 has 4 divisors (see below), whose sum is σ = 33722544. Its totient is φ = 33623700.

The previous prime is 33673117. The next prime is 33673163. The reversal of 33673121 is 12137633.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33673121 - 2² = 33673117 is a prime.

It is a super-2 number, since 2×33673121² = 2267758155761282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33673621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23675 + ... + 25056.

It is an arithmetic number, because the mean of its divisors is an integer number (8430636).

Almost surely, 2^33673121 is an apocalyptic number.

It is an amenable number.

33673121 is a deficient number, since it is larger than the sum of its proper divisors (49423).

33673121 is an equidigital number, since it uses as much as digits as its factorization.

33673121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49422.

The product of its digits is 2268, while the sum is 26.

The square root of 33673121 is about 5802.8545561646. The cubic root of 33673121 is about 322.9196380127.

The spelling of 33673121 in words is "thirty-three million, six hundred seventy-three thousand, one hundred twenty-one".