726018 has 16 divisors (see below), whose sum is σ = 1515456. Its totient is φ = 231440.

The previous prime is 726013. The next prime is 726023. The reversal of 726018 is 810627.

It is an interprime number because it is at equal distance from previous prime (726013) and next prime (726023).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (726013) 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, 2493 + ... + 2768.

It is an arithmetic number, because the mean of its divisors is an integer number (94716).

2⁷²⁶⁰¹⁸ is an apocalyptic number.

726018 is an abundant number, since it is smaller than the sum of its proper divisors (789438).

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

726018 is a wasteful number, since it uses less digits than its factorization.

726018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5289.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 726018 is about 852.0668987820. The cubic root of 726018 is about 89.8771162446.

The spelling of 726018 in words is "seven hundred twenty-six thousand, eighteen".