726066 has 48 divisors (see below), whose sum is σ = 1815840. Its totient is φ = 207360.

The previous prime is 726043. The next prime is 726071. The reversal of 726066 is 660627.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3666 + ... + 3858.

It is an arithmetic number, because the mean of its divisors is an integer number (37830).

2⁷²⁶⁰⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907920).

726066 is an abundant number, since it is smaller than the sum of its proper divisors (1089774).

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

726066 is a wasteful number, since it uses less digits than its factorization.

726066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 726066 is about 852.0950651189. The cubic root of 726066 is about 89.8790969147.

The spelling of 726066 in words is "seven hundred twenty-six thousand, sixty-six".