727289 has 2 divisors, whose sum is σ = 727290. Its totient is φ = 727288.

The previous prime is 727273. The next prime is 727297. The reversal of 727289 is 982727.

727289 is nontrivially palindromic in base 15.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 469225 + 258064 = 685^2 + 508^2 .

It is a cyclic number.

It is not a de Polignac number, because 727289 - 2⁴ = 727273 is a prime.

It is not a weakly prime, because it can be changed into another prime (727249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363644 + 363645.

It is an arithmetic number, because the mean of its divisors is an integer number (363645).

2⁷²⁷²⁸⁹ is an apocalyptic number.

It is an amenable number.

727289 is a deficient number, since it is larger than the sum of its proper divisors (1).

727289 is an equidigital number, since it uses as much as digits as its factorization.

727289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 35.

The square root of 727289 is about 852.8124061011. The cubic root of 727289 is about 89.9295333190.

The spelling of 727289 in words is "seven hundred twenty-seven thousand, two hundred eighty-nine".