726594 has 32 divisors (see below), whose sum is σ = 1615680. Its totient is φ = 216000.

The previous prime is 726589. The next prime is 726599. The reversal of 726594 is 495627.

It is an interprime number because it is at equal distance from previous prime (726589) and next prime (726599).

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

It is not an unprimeable number, because it can be changed into a prime (726599) by changing a digit.

726594 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 15 ways as a sum of consecutive naturals, for example, 6612 + ... + 6720.

It is an arithmetic number, because the mean of its divisors is an integer number (50490).

2⁷²⁶⁵⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726594, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (807840).

726594 is an abundant number, since it is smaller than the sum of its proper divisors (889086).

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

726594 is a wasteful number, since it uses less digits than its factorization.

726594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226.

The product of its digits is 15120, while the sum is 33.

The square root of 726594 is about 852.4048333978. The cubic root of 726594 is about 89.9008785270.

Adding to 726594 its sum of digits (33), we get a palindrome (726627).

Adding to 726594 its reverse (495627), we get a palindrome (1222221).

It can be divided in two parts, 72 and 6594, that added together give a palindrome (6666).

The spelling of 726594 in words is "seven hundred twenty-six thousand, five hundred ninety-four".