726716 has 12 divisors (see below), whose sum is σ = 1346688. Its totient is φ = 341952.

The previous prime is 726707. The next prime is 726751. The reversal of 726716 is 617627.

It is a super-2 number, since 2×726716² = 1056232289312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5276 + ... + 5411.

It is an arithmetic number, because the mean of its divisors is an integer number (112224).

2⁷²⁶⁷¹⁶ is an apocalyptic number.

It is an amenable number.

726716 is a deficient number, since it is larger than the sum of its proper divisors (619972).

726716 is a wasteful number, since it uses less digits than its factorization.

726716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10708 (or 10706 counting only the distinct ones).

The product of its digits is 3528, while the sum is 29.

The square root of 726716 is about 852.4763926350. The cubic root of 726716 is about 89.9059098987.

The spelling of 726716 in words is "seven hundred twenty-six thousand, seven hundred sixteen".