304324073 has 2 divisors, whose sum is σ = 304324074. Its totient is φ = 304324072.

The previous prime is 304324067. The next prime is 304324081. The reversal of 304324073 is 370423403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297631504 + 6692569 = 17252^2 + 2587^2 .

It is a cyclic number.

It is not a de Polignac number, because 304324073 - 2¹⁰ = 304323049 is a prime.

It is a super-2 number, since 2×304324073² = 185226282814618658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (304324003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152162036 + 152162037.

It is an arithmetic number, because the mean of its divisors is an integer number (152162037).

Almost surely, 2^304324073 is an apocalyptic number.

It is an amenable number.

304324073 is a deficient number, since it is larger than the sum of its proper divisors (1).

304324073 is an equidigital number, since it uses as much as digits as its factorization.

304324073 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 26.

The square root of 304324073 is about 17444.8867293542. The cubic root of 304324073 is about 672.6339275286.

Adding to 304324073 its reverse (370423403), we get a palindrome (674747476).

The spelling of 304324073 in words is "three hundred four million, three hundred twenty-four thousand, seventy-three".