33730163 has 2 divisors, whose sum is σ = 33730164. Its totient is φ = 33730162.

The previous prime is 33730153. The next prime is 33730211. The reversal of 33730163 is 36103733.

33730163 is nontrivially palindromic in base 5.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33730163 is a prime.

It is a super-2 number, since 2×33730163² = 2275447792013138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33730153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16865081 + 16865082.

It is an arithmetic number, because the mean of its divisors is an integer number (16865082).

Almost surely, 2^33730163 is an apocalyptic number.

33730163 is a deficient number, since it is larger than the sum of its proper divisors (1).

33730163 is an equidigital number, since it uses as much as digits as its factorization.

33730163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 26.

The square root of 33730163 is about 5807.7674712406. The cubic root of 33730163 is about 323.1018762502.

Adding to 33730163 its reverse (36103733), we get a palindrome (69833896).

The spelling of 33730163 in words is "thirty-three million, seven hundred thirty thousand, one hundred sixty-three".