726567 has 8 divisors (see below), whose sum is σ = 976896. Its totient is φ = 480312.

The previous prime is 726559. The next prime is 726589. The reversal of 726567 is 765627.

726567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 726567 - 2³ = 726559 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 726567.

It is not an unprimeable number, because it can be changed into a prime (726527) 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, 573 + ... + 1334.

It is an arithmetic number, because the mean of its divisors is an integer number (122112).

2⁷²⁶⁵⁶⁷ is an apocalyptic number.

726567 is a deficient number, since it is larger than the sum of its proper divisors (250329).

726567 is a wasteful number, since it uses less digits than its factorization.

726567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037.

The product of its digits is 17640, while the sum is 33.

The square root of 726567 is about 852.3889957056. The cubic root of 726567 is about 89.8997649506.

Subtracting 726567 from its reverse (765627), we obtain a triangular number (39060 = T₂₇₉).

The spelling of 726567 in words is "seven hundred twenty-six thousand, five hundred sixty-seven".