307120673 has 2 divisors, whose sum is σ = 307120674. Its totient is φ = 307120672.

The previous prime is 307120631. The next prime is 307120711. The reversal of 307120673 is 376021703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166745569 + 140375104 = 12913^2 + 11848^2 .

It is a cyclic number.

It is not a de Polignac number, because 307120673 - 2¹⁴ = 307104289 is a prime.

It is not a weakly prime, because it can be changed into another prime (307150673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153560336 + 153560337.

It is an arithmetic number, because the mean of its divisors is an integer number (153560337).

Almost surely, 2^307120673 is an apocalyptic number.

It is an amenable number.

307120673 is a deficient number, since it is larger than the sum of its proper divisors (1).

307120673 is an equidigital number, since it uses as much as digits as its factorization.

307120673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 307120673 is about 17524.8587155503. The cubic root of 307120673 is about 674.6880482632.

The spelling of 307120673 in words is "three hundred seven million, one hundred twenty thousand, six hundred seventy-three".