722982 has 48 divisors (see below), whose sum is σ = 1686528. Its totient is φ = 205920.

The previous prime is 722977. The next prime is 722983. The reversal of 722982 is 289227.

Its product of digits (4032) is a multiple of the sum of its prime divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722983) by changing a digit.

722982 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 23 ways as a sum of consecutive naturals, for example, 23307 + ... + 23337.

It is an arithmetic number, because the mean of its divisors is an integer number (35136).

2⁷²²⁹⁸² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (843264).

722982 is an abundant number, since it is smaller than the sum of its proper divisors (963546).

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

722982 is a wasteful number, since it uses less digits than its factorization.

722982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 72 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 722982 is about 850.2834821399. The cubic root of 722982 is about 89.7516610623.

The spelling of 722982 in words is "seven hundred twenty-two thousand, nine hundred eighty-two".