30074509 has 2 divisors, whose sum is σ = 30074510. Its totient is φ = 30074508.

The previous prime is 30074503. The next prime is 30074521. The reversal of 30074509 is 90547003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21206025 + 8868484 = 4605^2 + 2978^2 .

It is a cyclic number.

It is not a de Polignac number, because 30074509 - 2⁹ = 30073997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30074503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15037254 + 15037255.

It is an arithmetic number, because the mean of its divisors is an integer number (15037255).

Almost surely, 2^30074509 is an apocalyptic number.

It is an amenable number.

30074509 is a deficient number, since it is larger than the sum of its proper divisors (1).

30074509 is an equidigital number, since it uses as much as digits as its factorization.

30074509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 30074509 is about 5484.0230670558. The cubic root of 30074509 is about 310.9802787990.

The spelling of 30074509 in words is "thirty million, seventy-four thousand, five hundred nine".