30372427 has 2 divisors, whose sum is σ = 30372428. Its totient is φ = 30372426.

The previous prime is 30372403. The next prime is 30372437. The reversal of 30372427 is 72427303.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30372427 - 2⁷ = 30372299 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30372395 and 30372404.

It is not a weakly prime, because it can be changed into another prime (30372437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15186213 + 15186214.

It is an arithmetic number, because the mean of its divisors is an integer number (15186214).

Almost surely, 2^30372427 is an apocalyptic number.

30372427 is a deficient number, since it is larger than the sum of its proper divisors (1).

30372427 is an equidigital number, since it uses as much as digits as its factorization.

30372427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 30372427 is about 5511.1184890184. The cubic root of 30372427 is about 312.0037632408.

The spelling of 30372427 in words is "thirty million, three hundred seventy-two thousand, four hundred twenty-seven".