30740033 has 2 divisors, whose sum is σ = 30740034. Its totient is φ = 30740032.

The previous prime is 30740011. The next prime is 30740051. The reversal of 30740033 is 33004703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28912129 + 1827904 = 5377^2 + 1352^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30740033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30739987 and 30740014.

It is not a weakly prime, because it can be changed into another prime (30740533) 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 as a sum of consecutive naturals, namely, 15370016 + 15370017.

It is an arithmetic number, because the mean of its divisors is an integer number (15370017).

Almost surely, 2^30740033 is an apocalyptic number.

It is an amenable number.

30740033 is a deficient number, since it is larger than the sum of its proper divisors (1).

30740033 is an equidigital number, since it uses as much as digits as its factorization.

30740033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 20.

The square root of 30740033 is about 5544.3694862446. The cubic root of 30740033 is about 313.2574750972.

Adding to 30740033 its reverse (33004703), we get a palindrome (63744736).

The spelling of 30740033 in words is "thirty million, seven hundred forty thousand, thirty-three".