30472339 has 2 divisors, whose sum is σ = 30472340. Its totient is φ = 30472338.

The previous prime is 30472327. The next prime is 30472363. The reversal of 30472339 is 93327403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30472339 - 2¹¹ = 30470291 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30472339.

It is not a weakly prime, because it can be changed into another prime (30472319) 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, 15236169 + 15236170.

It is an arithmetic number, because the mean of its divisors is an integer number (15236170).

Almost surely, 2^30472339 is an apocalyptic number.

30472339 is a deficient number, since it is larger than the sum of its proper divisors (1).

30472339 is an equidigital number, since it uses as much as digits as its factorization.

30472339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 30472339 is about 5520.1756312639. The cubic root of 30472339 is about 312.3455074218.

The spelling of 30472339 in words is "thirty million, four hundred seventy-two thousand, three hundred thirty-nine".