726872 has 16 divisors (see below), whose sum is σ = 1395240. Its totient is φ = 354816.

The previous prime is 726853. The next prime is 726893. The reversal of 726872 is 278627.

726872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

726872 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, 713 + ... + 1400.

2⁷²⁶⁸⁷² is an apocalyptic number.

It is an amenable number.

726872 is a deficient number, since it is larger than the sum of its proper divisors (668368).

726872 is a wasteful number, since it uses less digits than its factorization.

726872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162 (or 2158 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 726872 is about 852.5678858601. The cubic root of 726872 is about 89.9123426356.

The spelling of 726872 in words is "seven hundred twenty-six thousand, eight hundred seventy-two".