30668419 has 2 divisors, whose sum is σ = 30668420. Its totient is φ = 30668418.

The previous prime is 30668411. The next prime is 30668423. The reversal of 30668419 is 91486603.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30668419 - 2³ = 30668411 is a prime.

It is a super-2 number, since 2×30668419² = 1881103847919122, which contains 22 as substring.

It is equal to p_1896814 and since 30668419 and 1896814 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (30668411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15334209 + 15334210.

It is an arithmetic number, because the mean of its divisors is an integer number (15334210).

Almost surely, 2^30668419 is an apocalyptic number.

30668419 is a deficient number, since it is larger than the sum of its proper divisors (1).

30668419 is an equidigital number, since it uses as much as digits as its factorization.

30668419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 30668419 is about 5537.9074567927. The cubic root of 30668419 is about 313.0140242162.

The spelling of 30668419 in words is "thirty million, six hundred sixty-eight thousand, four hundred nineteen".