726218147 has 2 divisors, whose sum is σ = 726218148. Its totient is φ = 726218146.

The previous prime is 726218113. The next prime is 726218161. The reversal of 726218147 is 741812627.

726218147 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 (741812627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 726218147 - 2¹⁰ = 726217123 is a prime.

It is a super-2 number, since 2×726218147² = 1054785594064227218, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 726218147.

It is not a weakly prime, because it can be changed into another prime (726218167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363109073 + 363109074.

It is an arithmetic number, because the mean of its divisors is an integer number (363109074).

Almost surely, 2^726218147 is an apocalyptic number.

726218147 is a deficient number, since it is larger than the sum of its proper divisors (1).

726218147 is an equidigital number, since it uses as much as digits as its factorization.

726218147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 38.

The square root of 726218147 is about 26948.4349638342. The cubic root of 726218147 is about 898.8537452577.

The spelling of 726218147 in words is "seven hundred twenty-six million, two hundred eighteen thousand, one hundred forty-seven".