30766091 has 2 divisors, whose sum is σ = 30766092. Its totient is φ = 30766090.

The previous prime is 30766079. The next prime is 30766093. The reversal of 30766091 is 19066703.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30766091 is a prime.

Together with 30766093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30766093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15383045 + 15383046.

It is an arithmetic number, because the mean of its divisors is an integer number (15383046).

Almost surely, 2^30766091 is an apocalyptic number.

30766091 is a deficient number, since it is larger than the sum of its proper divisors (1).

30766091 is an equidigital number, since it uses as much as digits as its factorization.

30766091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 30766091 is about 5546.7189400582. The cubic root of 30766091 is about 313.3459651112.

The spelling of 30766091 in words is "thirty million, seven hundred sixty-six thousand, ninety-one".