726769 has 8 divisors (see below), whose sum is σ = 792000. Its totient is φ = 664272.

The previous prime is 726751. The next prime is 726779. The reversal of 726769 is 967627.

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 726769 - 2⁷ = 726641 is a prime.

It is a super-2 number, since 2×726769² = 1056386358722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109 + ... + 1210.

It is an arithmetic number, because the mean of its divisors is an integer number (99000).

2⁷²⁶⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

726769 is a deficient number, since it is larger than the sum of its proper divisors (65231).

726769 is a wasteful number, since it uses less digits than its factorization.

726769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367.

The product of its digits is 31752, while the sum is 37.

The square root of 726769 is about 852.5074779731. The cubic root of 726769 is about 89.9080954830.

The spelling of 726769 in words is "seven hundred twenty-six thousand, seven hundred sixty-nine".