33820073 has 8 divisors (see below), whose sum is σ = 38720640. Its totient is φ = 28936800.

The previous prime is 33820067. The next prime is 33820099. The reversal of 33820073 is 37002833.

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 33820073 - 2¹⁴ = 33803689 is a prime.

It is a super-2 number, since 2×33820073² = 2287594675450658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33820013) 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, 188 + ... + 8226.

It is an arithmetic number, because the mean of its divisors is an integer number (4840080).

Almost surely, 2^33820073 is an apocalyptic number.

It is an amenable number.

33820073 is a deficient number, since it is larger than the sum of its proper divisors (4900567).

33820073 is an equidigital number, since it uses as much as digits as its factorization.

33820073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8647.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 33820073 is about 5815.5028157503. The cubic root of 33820073 is about 323.3887047504.

The spelling of 33820073 in words is "thirty-three million, eight hundred twenty thousand, seventy-three".