30470347 has 2 divisors, whose sum is σ = 30470348. Its totient is φ = 30470346.

The previous prime is 30470311. The next prime is 30470369. The reversal of 30470347 is 74307403.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30470347 is a prime.

It is not a weakly prime, because it can be changed into another prime (30473347) 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, 15235173 + 15235174.

It is an arithmetic number, because the mean of its divisors is an integer number (15235174).

Almost surely, 2^30470347 is an apocalyptic number.

30470347 is a deficient number, since it is larger than the sum of its proper divisors (1).

30470347 is an equidigital number, since it uses as much as digits as its factorization.

30470347 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 30470347 is about 5519.9951992733. The cubic root of 30470347 is about 312.3387011856.

Adding to 30470347 its product of nonzero digits (7056), we get a palindrome (30477403).

The spelling of 30470347 in words is "thirty million, four hundred seventy thousand, three hundred forty-seven".