30668707 has 2 divisors, whose sum is σ = 30668708. Its totient is φ = 30668706.

The previous prime is 30668699. The next prime is 30668723. The reversal of 30668707 is 70786603.

It is a weak prime.

It is an emirp because it is prime and its reverse (70786603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30668707 - 2³ = 30668699 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30668797) 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, 15334353 + 15334354.

It is an arithmetic number, because the mean of its divisors is an integer number (15334354).

Almost surely, 2^30668707 is an apocalyptic number.

30668707 is a deficient number, since it is larger than the sum of its proper divisors (1).

30668707 is an equidigital number, since it uses as much as digits as its factorization.

30668707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 30668707 is about 5537.9334593330. The cubic root of 30668707 is about 313.0150040272.

It can be divided in two parts, 30668 and 707, that added together give a triangular number (31375 = T₂₅₀).

The spelling of 30668707 in words is "thirty million, six hundred sixty-eight thousand, seven hundred seven".