726268337 has 2 divisors, whose sum is σ = 726268338. Its totient is φ = 726268336.

The previous prime is 726268303. The next prime is 726268351. The reversal of 726268337 is 733862627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 724901776 + 1366561 = 26924^2 + 1169^2 .

It is a cyclic number.

It is not a de Polignac number, because 726268337 - 2¹⁰ = 726267313 is a prime.

It is not a weakly prime, because it can be changed into another prime (726268397) 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, 363134168 + 363134169.

It is an arithmetic number, because the mean of its divisors is an integer number (363134169).

Almost surely, 2^726268337 is an apocalyptic number.

It is an amenable number.

726268337 is a deficient number, since it is larger than the sum of its proper divisors (1).

726268337 is an equidigital number, since it uses as much as digits as its factorization.

726268337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 44.

The square root of 726268337 is about 26949.3661706542. The cubic root of 726268337 is about 898.8744518137.

The spelling of 726268337 in words is "seven hundred twenty-six million, two hundred sixty-eight thousand, three hundred thirty-seven".