726916 has 6 divisors (see below), whose sum is σ = 1272110. Its totient is φ = 363456.

The previous prime is 726911. The next prime is 726917. The reversal of 726916 is 619627.

It can be written as a sum of positive squares in only one way, i.e., 705600 + 21316 = 840^2 + 146^2 .

It is not an unprimeable number, because it can be changed into a prime (726911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90861 + ... + 90868.

2⁷²⁶⁹¹⁶ is an apocalyptic number.

It is an amenable number.

726916 is a deficient number, since it is larger than the sum of its proper divisors (545194).

726916 is a wasteful number, since it uses less digits than its factorization.

726916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181733 (or 181731 counting only the distinct ones).

The product of its digits is 4536, while the sum is 31.

The square root of 726916 is about 852.5936898664. The cubic root of 726916 is about 89.9141568308.

The spelling of 726916 in words is "seven hundred twenty-six thousand, nine hundred sixteen".