720259369 has 2 divisors, whose sum is σ = 720259370. Its totient is φ = 720259368.

The previous prime is 720259361. The next prime is 720259373. The reversal of 720259369 is 963952027.

720259369 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 can be written as a sum of positive squares in only one way, i.e., 698914969 + 21344400 = 26437^2 + 4620^2 .

It is a cyclic number.

It is not a de Polignac number, because 720259369 - 2³ = 720259361 is a prime.

It is a super-2 number, since 2×720259369² = 1037547117264556322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (720259361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360129684 + 360129685.

It is an arithmetic number, because the mean of its divisors is an integer number (360129685).

Almost surely, 2^720259369 is an apocalyptic number.

It is an amenable number.

720259369 is a deficient number, since it is larger than the sum of its proper divisors (1).

720259369 is an equidigital number, since it uses as much as digits as its factorization.

720259369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 720259369 is about 26837.6483507777. The cubic root of 720259369 is about 896.3885602303.

The spelling of 720259369 in words is "seven hundred twenty million, two hundred fifty-nine thousand, three hundred sixty-nine".