726902233 has 2 divisors, whose sum is σ = 726902234. Its totient is φ = 726902232.

The previous prime is 726902221. The next prime is 726902251. The reversal of 726902233 is 332209627.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 534164544 + 192737689 = 23112^2 + 13883^2 .

It is an emirp because it is prime and its reverse (332209627) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-726902233 is a prime.

It is not a weakly prime, because it can be changed into another prime (726902273) 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, 363451116 + 363451117.

It is an arithmetic number, because the mean of its divisors is an integer number (363451117).

Almost surely, 2^726902233 is an apocalyptic number.

It is an amenable number.

726902233 is a deficient number, since it is larger than the sum of its proper divisors (1).

726902233 is an equidigital number, since it uses as much as digits as its factorization.

726902233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 726902233 is about 26961.1244758078. The cubic root of 726902233 is about 899.1358920174.

The spelling of 726902233 in words is "seven hundred twenty-six million, nine hundred two thousand, two hundred thirty-three".