348687673 has 2 divisors, whose sum is σ = 348687674. Its totient is φ = 348687672.

The previous prime is 348687649. The next prime is 348687701. The reversal of 348687673 is 376786843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179479609 + 169208064 = 13397^2 + 13008^2 .

It is a cyclic number.

It is not a de Polignac number, because 348687673 - 2²¹ = 346590521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 348687673.

It is not a weakly prime, because it can be changed into another prime (348687623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174343836 + 174343837.

It is an arithmetic number, because the mean of its divisors is an integer number (174343837).

Almost surely, 2^348687673 is an apocalyptic number.

It is an amenable number.

348687673 is a deficient number, since it is larger than the sum of its proper divisors (1).

348687673 is an equidigital number, since it uses as much as digits as its factorization.

348687673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 52.

The square root of 348687673 is about 18673.1805807152. The cubic root of 348687673 is about 703.8479738286.

The spelling of 348687673 in words is "three hundred forty-eight million, six hundred eighty-seven thousand, six hundred seventy-three".