30070489 has 2 divisors, whose sum is σ = 30070490. Its totient is φ = 30070488.

The previous prime is 30070457. The next prime is 30070549. The reversal of 30070489 is 98407003.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29975625 + 94864 = 5475^2 + 308^2 .

It is an emirp because it is prime and its reverse (98407003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30070489 - 2⁵ = 30070457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30070489.

It is not a weakly prime, because it can be changed into another prime (30070409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15035244 + 15035245.

It is an arithmetic number, because the mean of its divisors is an integer number (15035245).

Almost surely, 2^30070489 is an apocalyptic number.

It is an amenable number.

30070489 is a deficient number, since it is larger than the sum of its proper divisors (1).

30070489 is an equidigital number, since it uses as much as digits as its factorization.

30070489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 30070489 is about 5483.6565355609. The cubic root of 30070489 is about 310.9664221424.

The spelling of 30070489 in words is "thirty million, seventy thousand, four hundred eighty-nine".