726969 has 8 divisors (see below), whose sum is σ = 983232. Its totient is φ = 477680.

The previous prime is 726953. The next prime is 726983. The reversal of 726969 is 969627.

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 726969 - 2⁴ = 726953 is a prime.

It is a super-2 number, since 2×726969² = 1056967853922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726989) 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, 1494 + ... + 1919.

It is an arithmetic number, because the mean of its divisors is an integer number (122904).

2⁷²⁶⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

726969 is a deficient number, since it is larger than the sum of its proper divisors (256263).

726969 is a wasteful number, since it uses less digits than its factorization.

726969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3487.

The product of its digits is 40824, while the sum is 39.

The square root of 726969 is about 852.6247709280. The cubic root of 726969 is about 89.9163420143.

The spelling of 726969 in words is "seven hundred twenty-six thousand, nine hundred sixty-nine".