304134973 has 2 divisors, whose sum is σ = 304134974. Its totient is φ = 304134972.

The previous prime is 304134953. The next prime is 304135019. The reversal of 304134973 is 379431403.

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., 181656484 + 122478489 = 13478^2 + 11067^2 .

It is a cyclic number.

It is not a de Polignac number, because 304134973 - 2⁹ = 304134461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304134923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152067486 + 152067487.

It is an arithmetic number, because the mean of its divisors is an integer number (152067487).

Almost surely, 2^304134973 is an apocalyptic number.

It is an amenable number.

304134973 is a deficient number, since it is larger than the sum of its proper divisors (1).

304134973 is an equidigital number, since it uses as much as digits as its factorization.

304134973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 304134973 is about 17439.4659608602. The cubic root of 304134973 is about 672.4945788962.

The spelling of 304134973 in words is "three hundred four million, one hundred thirty-four thousand, nine hundred seventy-three".