30768499 has 2 divisors, whose sum is σ = 30768500. Its totient is φ = 30768498.

The previous prime is 30768481. The next prime is 30768509. The reversal of 30768499 is 99486703.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30768499 - 2¹¹ = 30766451 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30768299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15384249 + 15384250.

It is an arithmetic number, because the mean of its divisors is an integer number (15384250).

Almost surely, 2^30768499 is an apocalyptic number.

30768499 is a deficient number, since it is larger than the sum of its proper divisors (1).

30768499 is an equidigital number, since it uses as much as digits as its factorization.

30768499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 30768499 is about 5546.9360010730. The cubic root of 30768499 is about 313.3541398839.

The spelling of 30768499 in words is "thirty million, seven hundred sixty-eight thousand, four hundred ninety-nine".