726918 has 16 divisors (see below), whose sum is σ = 1470000. Its totient is φ = 239616.

The previous prime is 726917. The next prime is 726923. The reversal of 726918 is 819627.

726918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 43 + ... + 1206.

It is an arithmetic number, because the mean of its divisors is an integer number (91875).

2⁷²⁶⁹¹⁸ is an apocalyptic number.

726918 is an abundant number, since it is smaller than the sum of its proper divisors (743082).

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

726918 is a wasteful number, since it uses less digits than its factorization.

726918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351.

The product of its digits is 6048, while the sum is 33.

The square root of 726918 is about 852.5948627572. The cubic root of 726918 is about 89.9142392925.

The spelling of 726918 in words is "seven hundred twenty-six thousand, nine hundred eighteen".