30768743 has 2 divisors, whose sum is σ = 30768744. Its totient is φ = 30768742.

The previous prime is 30768713. The next prime is 30768757. The reversal of 30768743 is 34786703.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30768743 - 2⁶ = 30768679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30768697 and 30768706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30768713) 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, 15384371 + 15384372.

It is an arithmetic number, because the mean of its divisors is an integer number (15384372).

Almost surely, 2^30768743 is an apocalyptic number.

30768743 is a deficient number, since it is larger than the sum of its proper divisors (1).

30768743 is an equidigital number, since it uses as much as digits as its factorization.

30768743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 30768743 is about 5546.9579951537. The cubic root of 30768743 is about 313.3549682008.

The spelling of 30768743 in words is "thirty million, seven hundred sixty-eight thousand, seven hundred forty-three".