726343097 has 2 divisors, whose sum is σ = 726343098. Its totient is φ = 726343096.

The previous prime is 726343091. The next prime is 726343117. The reversal of 726343097 is 790343627.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 700343296 + 25999801 = 26464^2 + 5099^2 .

It is a cyclic number.

It is not a de Polignac number, because 726343097 - 2¹⁰ = 726342073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (726343091) 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, 363171548 + 363171549.

It is an arithmetic number, because the mean of its divisors is an integer number (363171549).

Almost surely, 2^726343097 is an apocalyptic number.

It is an amenable number.

726343097 is a deficient number, since it is larger than the sum of its proper divisors (1).

726343097 is an equidigital number, since it uses as much as digits as its factorization.

726343097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 41.

The square root of 726343097 is about 26950.7531805699. The cubic root of 726343097 is about 898.9052932833.

The spelling of 726343097 in words is "seven hundred twenty-six million, three hundred forty-three thousand, ninety-seven".