726323180 has 96 divisors (see below), whose sum is σ = 1728276480. Its totient is φ = 254016000.

The previous prime is 726323167. The next prime is 726323189. The reversal of 726323180 is 81323627.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (726323189) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1916231 + ... + 1916609.

It is an arithmetic number, because the mean of its divisors is an integer number (18002880).

Almost surely, 2^726323180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726323180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (864138240).

726323180 is an abundant number, since it is smaller than the sum of its proper divisors (1001953300).

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

726323180 is a wasteful number, since it uses less digits than its factorization.

726323180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 726323180 is about 26950.3836707383. The cubic root of 726323180 is about 898.8970769364.

The spelling of 726323180 in words is "seven hundred twenty-six million, three hundred twenty-three thousand, one hundred eighty".