723382528 has 90 divisors (see below), whose sum is σ = 1596553070. Its totient is φ = 327106560.

The previous prime is 723382501. The next prime is 723382529. The reversal of 723382528 is 825283327.

It can be written as a sum of positive squares in only one way, i.e., 539725824 + 183656704 = 23232^2 + 13552^2 .

It is not an unprimeable number, because it can be changed into a prime (723382529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3748000 + ... + 3748192.

Almost surely, 2^723382528 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 723382528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (798276535).

723382528 is an abundant number, since it is smaller than the sum of its proper divisors (873170542).

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

723382528 is an frugal number, since it uses more digits than its factorization.

723382528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 206 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 723382528 is about 26895.7715635748. The cubic root of 723382528 is about 897.6823197602.

The spelling of 723382528 in words is "seven hundred twenty-three million, three hundred eighty-two thousand, five hundred twenty-eight".