30070409 has 2 divisors, whose sum is σ = 30070410. Its totient is φ = 30070408.

The previous prime is 30070387. The next prime is 30070421. The reversal of 30070409 is 90407003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18490000 + 11580409 = 4300^2 + 3403^2 .

It is a cyclic number.

It is not a de Polignac number, because 30070409 - 2²⁰ = 29021833 is a prime.

It is not a weakly prime, because it can be changed into another prime (30070429) 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, 15035204 + 15035205.

It is an arithmetic number, because the mean of its divisors is an integer number (15035205).

Almost surely, 2^30070409 is an apocalyptic number.

It is an amenable number.

30070409 is a deficient number, since it is larger than the sum of its proper divisors (1).

30070409 is an equidigital number, since it uses as much as digits as its factorization.

30070409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 30070409 is about 5483.6492411532. The cubic root of 30070409 is about 310.9661463755.

The spelling of 30070409 in words is "thirty million, seventy thousand, four hundred nine".