180868673 has 2 divisors, whose sum is σ = 180868674. Its totient is φ = 180868672.

The previous prime is 180868651. The next prime is 180868693. The reversal of 180868673 is 376868081.

180868673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95804944 + 85063729 = 9788^2 + 9223^2 .

It is a cyclic number.

It is not a de Polignac number, because 180868673 - 2⁶ = 180868609 is a prime.

It is not a weakly prime, because it can be changed into another prime (180868693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90434336 + 90434337.

It is an arithmetic number, because the mean of its divisors is an integer number (90434337).

Almost surely, 2^180868673 is an apocalyptic number.

It is an amenable number.

180868673 is a deficient number, since it is larger than the sum of its proper divisors (1).

180868673 is an equidigital number, since it uses as much as digits as its factorization.

180868673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 180868673 is about 13448.7424319153. The cubic root of 180868673 is about 565.5284407803.

The spelling of 180868673 in words is "one hundred eighty million, eight hundred sixty-eight thousand, six hundred seventy-three".