729266 has 16 divisors (see below), whose sum is σ = 1176120. Its totient is φ = 337920.

The previous prime is 729257. The next prime is 729269. The reversal of 729266 is 662927.

729266 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in 4 ways, for example, as 674041 + 55225 = 821^2 + 235^2 .

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (729269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2906 + ... + 3146.

2⁷²⁹²⁶⁶ is an apocalyptic number.

729266 is a deficient number, since it is larger than the sum of its proper divisors (446854).

729266 is a wasteful number, since it uses less digits than its factorization.

729266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349.

The product of its digits is 9072, while the sum is 32.

The square root of 729266 is about 853.9707254936. The cubic root of 729266 is about 90.0109451709.

The spelling of 729266 in words is "seven hundred twenty-nine thousand, two hundred sixty-six".