728837297 has 2 divisors, whose sum is σ = 728837298. Its totient is φ = 728837296.

The previous prime is 728837227. The next prime is 728837303. The reversal of 728837297 is 792738827.

728837297 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., 591267856 + 137569441 = 24316^2 + 11729^2 .

It is a cyclic number.

It is not a de Polignac number, because 728837297 - 2¹² = 728833201 is a prime.

It is not a weakly prime, because it can be changed into another prime (728837227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364418648 + 364418649.

It is an arithmetic number, because the mean of its divisors is an integer number (364418649).

Almost surely, 2^728837297 is an apocalyptic number.

It is an amenable number.

728837297 is a deficient number, since it is larger than the sum of its proper divisors (1).

728837297 is an equidigital number, since it uses as much as digits as its factorization.

728837297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2370816, while the sum is 53.

The square root of 728837297 is about 26996.9868133464. The cubic root of 728837297 is about 899.9330390511.

The spelling of 728837297 in words is "seven hundred twenty-eight million, eight hundred thirty-seven thousand, two hundred ninety-seven".