726368443 has 2 divisors, whose sum is σ = 726368444. Its totient is φ = 726368442.

The previous prime is 726368429. The next prime is 726368449. The reversal of 726368443 is 344863627.

It is a happy number.

726368443 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 is an emirp because it is prime and its reverse (344863627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 726368443 - 2¹⁷ = 726237371 is a prime.

It is a super-2 number, since 2×726368443² = 1055222229972488498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 726368443.

It is not a weakly prime, because it can be changed into another prime (726368449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363184221 + 363184222.

It is an arithmetic number, because the mean of its divisors is an integer number (363184222).

Almost surely, 2^726368443 is an apocalyptic number.

726368443 is a deficient number, since it is larger than the sum of its proper divisors (1).

726368443 is an equidigital number, since it uses as much as digits as its factorization.

726368443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 43.

The square root of 726368443 is about 26951.2234045136. The cubic root of 726368443 is about 898.9157490347.

The spelling of 726368443 in words is "seven hundred twenty-six million, three hundred sixty-eight thousand, four hundred forty-three".