722752 has 28 divisors (see below), whose sum is σ = 1499616. Its totient is φ = 344960.

The previous prime is 722749. The next prime is 722783. The reversal of 722752 is 257227.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1227 + ... + 1717.

2⁷²²⁷⁵² 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 722752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749808).

722752 is an abundant number, since it is smaller than the sum of its proper divisors (776864).

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

722752 is a wasteful number, since it uses less digits than its factorization.

722752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 516 counting only the distinct ones).

The product of its digits is 1960, while the sum is 25.

The square root of 722752 is about 850.1482223707. The cubic root of 722752 is about 89.7421425812.

Adding to 722752 its reverse (257227), we get a palindrome (979979).

The spelling of 722752 in words is "seven hundred twenty-two thousand, seven hundred fifty-two".