726207328 has 96 divisors (see below), whose sum is σ = 1844156160. Its totient is φ = 273154560.

The previous prime is 726207311. The next prime is 726207329. The reversal of 726207328 is 823702627.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726207329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66375 + ... + 76537.

It is an arithmetic number, because the mean of its divisors is an integer number (19209960).

Almost surely, 2^726207328 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 726207328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (922078080).

726207328 is an abundant number, since it is smaller than the sum of its proper divisors (1117948832).

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

726207328 is a wasteful number, since it uses less digits than its factorization.

726207328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10220 (or 10212 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 726207328 is about 26948.2342278673. The cubic root of 726207328 is about 898.8492816095.

The spelling of 726207328 in words is "seven hundred twenty-six million, two hundred seven thousand, three hundred twenty-eight".