729265 has 8 divisors (see below), whose sum is σ = 881640. Its totient is φ = 579072.

The previous prime is 729257. The next prime is 729269. The reversal of 729265 is 562927.

It can be written as a sum of positive squares in 4 ways, for example, as 8464 + 720801 = 92^2 + 849^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 729265 - 2³ = 729257 is a prime.

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, 321 + ... + 1249.

It is an arithmetic number, because the mean of its divisors is an integer number (110205).

2⁷²⁹²⁶⁵ is an apocalyptic number.

It is an amenable number.

729265 is a deficient number, since it is larger than the sum of its proper divisors (152375).

729265 is a wasteful number, since it uses less digits than its factorization.

729265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091.

The product of its digits is 7560, while the sum is 31.

The square root of 729265 is about 853.9701399932. The cubic root of 729265 is about 90.0109040287.

The spelling of 729265 in words is "seven hundred twenty-nine thousand, two hundred sixty-five".