33673693 has 2 divisors, whose sum is σ = 33673694. Its totient is φ = 33673692.

The previous prime is 33673639. The next prime is 33673721. The reversal of 33673693 is 39637633.

Together with previous prime (33673639) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32867289 + 806404 = 5733^2 + 898^2 .

It is a cyclic number.

It is not a de Polignac number, because 33673693 - 2²¹ = 31576541 is a prime.

It is a super-2 number, since 2×33673693² = 2267835200516498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33673613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16836846 + 16836847.

It is an arithmetic number, because the mean of its divisors is an integer number (16836847).

Almost surely, 2^33673693 is an apocalyptic number.

It is an amenable number.

33673693 is a deficient number, since it is larger than the sum of its proper divisors (1).

33673693 is an equidigital number, since it uses as much as digits as its factorization.

33673693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 183708, while the sum is 40.

The square root of 33673693 is about 5802.9038420432. The cubic root of 33673693 is about 322.9214664640.

The spelling of 33673693 in words is "thirty-three million, six hundred seventy-three thousand, six hundred ninety-three".