180768733 has 2 divisors, whose sum is σ = 180768734. Its totient is φ = 180768732.

The previous prime is 180768697. The next prime is 180768739. The reversal of 180768733 is 337867081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175377049 + 5391684 = 13243^2 + 2322^2 .

It is a cyclic number.

It is not a de Polignac number, because 180768733 - 2¹⁷ = 180637661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 180768733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180768739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90384366 + 90384367.

It is an arithmetic number, because the mean of its divisors is an integer number (90384367).

Almost surely, 2^180768733 is an apocalyptic number.

It is an amenable number.

180768733 is a deficient number, since it is larger than the sum of its proper divisors (1).

180768733 is an equidigital number, since it uses as much as digits as its factorization.

180768733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 180768733 is about 13445.0263294647. The cubic root of 180768733 is about 565.4242596184.

The spelling of 180768733 in words is "one hundred eighty million, seven hundred sixty-eight thousand, seven hundred thirty-three".