726365331 has 24 divisors (see below), whose sum is σ = 1080119040. Its totient is φ = 470108016.

The previous prime is 726365303. The next prime is 726365357. The reversal of 726365331 is 133563627.

726365331 is a `hidden beast` number, since 7 + 263 + 65 + 331 = 666.

It is not a de Polignac number, because 726365331 - 2¹¹ = 726363283 is a prime.

It is a super-2 number, since 2×726365331² = 1055213188157479122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (726365531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59010 + ... + 70248.

It is an arithmetic number, because the mean of its divisors is an integer number (45004960).

Almost surely, 2^726365331 is an apocalyptic number.

726365331 is a deficient number, since it is larger than the sum of its proper divisors (353753709).

726365331 is a wasteful number, since it uses less digits than its factorization.

726365331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11455 (or 11452 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 726365331 is about 26951.1656705234. The cubic root of 726365331 is about 898.9144652831.

The spelling of 726365331 in words is "seven hundred twenty-six million, three hundred sixty-five thousand, three hundred thirty-one".