30734009 has 2 divisors, whose sum is σ = 30734010. Its totient is φ = 30734008.

The previous prime is 30733999. The next prime is 30734017. The reversal of 30734009 is 90043703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23551609 + 7182400 = 4853^2 + 2680^2 .

It is a cyclic number.

It is not a de Polignac number, because 30734009 - 2⁴ = 30733993 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30734089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15367004 + 15367005.

It is an arithmetic number, because the mean of its divisors is an integer number (15367005).

Almost surely, 2^30734009 is an apocalyptic number.

It is an amenable number.

30734009 is a deficient number, since it is larger than the sum of its proper divisors (1).

30734009 is an equidigital number, since it uses as much as digits as its factorization.

30734009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 30734009 is about 5543.8262057896. The cubic root of 30734009 is about 313.2370111601.

The spelling of 30734009 in words is "thirty million, seven hundred thirty-four thousand, nine".