673545667 has 2 divisors, whose sum is σ = 673545668. Its totient is φ = 673545666.

The previous prime is 673545641. The next prime is 673545739. The reversal of 673545667 is 766545376.

673545667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 673545667 - 2¹⁵ = 673512899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 673545667.

It is not a weakly prime, because it can be changed into another prime (673546667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336772833 + 336772834.

It is an arithmetic number, because the mean of its divisors is an integer number (336772834).

Almost surely, 2^673545667 is an apocalyptic number.

673545667 is a deficient number, since it is larger than the sum of its proper divisors (1).

673545667 is an equidigital number, since it uses as much as digits as its factorization.

673545667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3175200, while the sum is 49.

The square root of 673545667 is about 25952.7583697764. The cubic root of 673545667 is about 876.5748691311.

The spelling of 673545667 in words is "six hundred seventy-three million, five hundred forty-five thousand, six hundred sixty-seven".