726612301 has 2 divisors, whose sum is σ = 726612302. Its totient is φ = 726612300.

The previous prime is 726612259. The next prime is 726612311. The reversal of 726612301 is 103216627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 429567076 + 297045225 = 20726^2 + 17235^2 .

It is a cyclic number.

It is not a de Polignac number, because 726612301 - 2⁹ = 726611789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 726612301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726612311) 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, 363306150 + 363306151.

It is an arithmetic number, because the mean of its divisors is an integer number (363306151).

Almost surely, 2^726612301 is an apocalyptic number.

It is an amenable number.

726612301 is a deficient number, since it is larger than the sum of its proper divisors (1).

726612301 is an equidigital number, since it uses as much as digits as its factorization.

726612301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 726612301 is about 26955.7470866604. The cubic root of 726612301 is about 899.0163330989.

Adding to 726612301 its reverse (103216627), we get a palindrome (829828928).

The spelling of 726612301 in words is "seven hundred twenty-six million, six hundred twelve thousand, three hundred one".