33673945 has 8 divisors (see below), whose sum is σ = 41348736. Its totient is φ = 26312496.

The previous prime is 33673933. The next prime is 33673961. The reversal of 33673945 is 54937633.

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 33673945 - 2⁹ = 33673433 is a prime.

It is a super-2 number, since 2×33673945² = 2267869143726050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33673898 and 33673907.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 78097 + ... + 78526.

It is an arithmetic number, because the mean of its divisors is an integer number (5168592).

Almost surely, 2^33673945 is an apocalyptic number.

It is an amenable number.

33673945 is a deficient number, since it is larger than the sum of its proper divisors (7674791).

33673945 is a wasteful number, since it uses less digits than its factorization.

33673945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156671.

The product of its digits is 204120, while the sum is 40.

The square root of 33673945 is about 5802.9255552695. The cubic root of 33673945 is about 322.9222719989.

The spelling of 33673945 in words is "thirty-three million, six hundred seventy-three thousand, nine hundred forty-five".