726063161 has 2 divisors, whose sum is σ = 726063162. Its totient is φ = 726063160.

The previous prime is 726063133. The next prime is 726063179. The reversal of 726063161 is 161360627.

726063161 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., 402243136 + 323820025 = 20056^2 + 17995^2 .

It is a cyclic number.

It is not a de Polignac number, because 726063161 - 2¹⁴ = 726046777 is a prime.

It is a super-2 number, since 2×726063161² = 1054335427522623842, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (726063101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363031580 + 363031581.

It is an arithmetic number, because the mean of its divisors is an integer number (363031581).

Almost surely, 2^726063161 is an apocalyptic number.

It is an amenable number.

726063161 is a deficient number, since it is larger than the sum of its proper divisors (1).

726063161 is an equidigital number, since it uses as much as digits as its factorization.

726063161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 726063161 is about 26945.5592074093. The cubic root of 726063161 is about 898.7897976874.

The spelling of 726063161 in words is "seven hundred twenty-six million, sixty-three thousand, one hundred sixty-one".