726198 has 16 divisors (see below), whose sum is σ = 1584576. Its totient is φ = 220040.

The previous prime is 726191. The next prime is 726221. The reversal of 726198 is 891627.

726198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 726198.

It is not an unprimeable number, because it can be changed into a prime (726191) by changing a digit.

726198 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 7 ways as a sum of consecutive naturals, for example, 5436 + ... + 5567.

It is an arithmetic number, because the mean of its divisors is an integer number (99036).

2⁷²⁶¹⁹⁸ is an apocalyptic number.

726198 is an abundant number, since it is smaller than the sum of its proper divisors (858378).

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

726198 is a wasteful number, since it uses less digits than its factorization.

726198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11019.

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

The square root of 726198 is about 852.1725177451. The cubic root of 726198 is about 89.8845433075.

It can be divided in two parts, 72619 and 8, that added together give a palindrome (72627).

The spelling of 726198 in words is "seven hundred twenty-six thousand, one hundred ninety-eight".