673403671 has 2 divisors, whose sum is σ = 673403672. Its totient is φ = 673403670.

The previous prime is 673403641. The next prime is 673403701. The reversal of 673403671 is 176304376.

It is a balanced prime because it is at equal distance from previous prime (673403641) and next prime (673403701).

It is a cyclic number.

It is not a de Polignac number, because 673403671 - 2¹³ = 673395479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 673403671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673403641) 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, 336701835 + 336701836.

It is an arithmetic number, because the mean of its divisors is an integer number (336701836).

Almost surely, 2^673403671 is an apocalyptic number.

673403671 is a deficient number, since it is larger than the sum of its proper divisors (1).

673403671 is an equidigital number, since it uses as much as digits as its factorization.

673403671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 673403671 is about 25950.0225626106. The cubic root of 673403671 is about 876.5132653532.

The spelling of 673403671 in words is "six hundred seventy-three million, four hundred three thousand, six hundred seventy-one".