726488269 has 8 divisors (see below), whose sum is σ = 782744760. Its totient is φ = 670285056.

The previous prime is 726488267. The next prime is 726488333. The reversal of 726488269 is 962884627.

It can be written as a sum of positive squares in 4 ways, for example, as 84879369 + 641608900 = 9213^2 + 25330^2 .

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 726488269 - 2¹ = 726488267 is a prime.

It is a super-2 number, since 2×726488269² = 1055570409989232722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726488261) 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, 17697 + ... + 42025.

It is an arithmetic number, because the mean of its divisors is an integer number (97843095).

Almost surely, 2^726488269 is an apocalyptic number.

It is an amenable number.

726488269 is a deficient number, since it is larger than the sum of its proper divisors (56256491).

726488269 is a wasteful number, since it uses less digits than its factorization.

726488269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26639.

The product of its digits is 2322432, while the sum is 52.

The square root of 726488269 is about 26953.4463288092. The cubic root of 726488269 is about 898.9651764555.

The spelling of 726488269 in words is "seven hundred twenty-six million, four hundred eighty-eight thousand, two hundred sixty-nine".