726327265 has 4 divisors (see below), whose sum is σ = 871592724. Its totient is φ = 581061808.

The previous prime is 726327247. The next prime is 726327289. The reversal of 726327265 is 562723627.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 316021729 + 410305536 = 17777^2 + 20256^2 .

It is a cyclic number.

It is not a de Polignac number, because 726327265 - 2⁹ = 726326753 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72632722 + ... + 72632731.

It is an arithmetic number, because the mean of its divisors is an integer number (217898181).

Almost surely, 2^726327265 is an apocalyptic number.

It is an amenable number.

726327265 is a deficient number, since it is larger than the sum of its proper divisors (145265459).

726327265 is a wasteful number, since it uses less digits than its factorization.

726327265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145265458.

The product of its digits is 211680, while the sum is 40.

The square root of 726327265 is about 26950.4594580501. The cubic root of 726327265 is about 898.8987621310.

It can be divided in two parts, 72632 and 7265, that added together give a palindrome (79897).

The spelling of 726327265 in words is "seven hundred twenty-six million, three hundred twenty-seven thousand, two hundred sixty-five".