30427147 has 2 divisors, whose sum is σ = 30427148. Its totient is φ = 30427146.

The previous prime is 30427123. The next prime is 30427153. The reversal of 30427147 is 74172403.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30427147 is a prime.

It is a super-2 number, since 2×30427147² = 1851622549119218, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30427157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15213573 + 15213574.

It is an arithmetic number, because the mean of its divisors is an integer number (15213574).

Almost surely, 2^30427147 is an apocalyptic number.

30427147 is a deficient number, since it is larger than the sum of its proper divisors (1).

30427147 is an equidigital number, since it uses as much as digits as its factorization.

30427147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 30427147 is about 5516.0807644559. The cubic root of 30427147 is about 312.1910230337.

The spelling of 30427147 in words is "thirty million, four hundred twenty-seven thousand, one hundred forty-seven".