726080 has 28 divisors (see below), whose sum is σ = 1729740. Its totient is φ = 290304.

The previous prime is 726071. The next prime is 726091. The reversal of 726080 is 80627.

It can be written as a sum of positive squares in 2 ways, for example, as 123904 + 602176 = 352^2 + 776^2 .

It is an unprimeable number.

726080 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815 + ... + 1454.

2⁷²⁶⁰⁸⁰ is an apocalyptic number.

It is an amenable number.

726080 is an abundant number, since it is smaller than the sum of its proper divisors (1003660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

726080 is a wasteful number, since it uses less digits than its factorization.

726080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286 (or 2276 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 726080 is about 852.1032801251. The cubic root of 726080 is about 89.8796745937.

The spelling of 726080 in words is "seven hundred twenty-six thousand, eighty".