726380 has 12 divisors (see below), whose sum is σ = 1525440. Its totient is φ = 290544.

The previous prime is 726379. The next prime is 726391. The reversal of 726380 is 83627.

726380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18140 + ... + 18179.

It is an arithmetic number, because the mean of its divisors is an integer number (127120).

2⁷²⁶³⁸⁰ is an apocalyptic number.

It is an amenable number.

726380 is an abundant number, since it is smaller than the sum of its proper divisors (799060).

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

726380 is a wasteful number, since it uses less digits than its factorization.

726380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36328 (or 36326 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 726380 is about 852.2792969444. The cubic root of 726380 is about 89.8920516456.

The spelling of 726380 in words is "seven hundred twenty-six thousand, three hundred eighty".