727249 has 2 divisors, whose sum is σ = 727250. Its totient is φ = 727248.

The previous prime is 727247. The next prime is 727261. The reversal of 727249 is 942727.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 518400 + 208849 = 720^2 + 457^2 .

It is an emirp because it is prime and its reverse (942727) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 727249 - 2¹ = 727247 is a prime.

It is a super-2 number, since 2×727249² = 1057782216002, which contains 22 as substring.

Together with 727247, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 727249.

It is not a weakly prime, because it can be changed into another prime (727241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363624 + 363625.

It is an arithmetic number, because the mean of its divisors is an integer number (363625).

2⁷²⁷²⁴⁹ is an apocalyptic number.

It is an amenable number.

727249 is a deficient number, since it is larger than the sum of its proper divisors (1).

727249 is an equidigital number, since it uses as much as digits as its factorization.

727249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 31.

The square root of 727249 is about 852.7889539622. The cubic root of 727249 is about 89.9278846175.

The spelling of 727249 in words is "seven hundred twenty-seven thousand, two hundred forty-nine".