722860 has 24 divisors (see below), whose sum is σ = 1552320. Its totient is φ = 282624.

The previous prime is 722849. The next prime is 722881. The reversal of 722860 is 68227.

722860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

722860 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556 + ... + 1324.

It is an arithmetic number, because the mean of its divisors is an integer number (64680).

2⁷²²⁸⁶⁰ is an apocalyptic number.

It is an amenable number.

722860 is an abundant number, since it is smaller than the sum of its proper divisors (829460).

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

722860 is a wasteful number, since it uses less digits than its factorization.

722860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 722860 is about 850.2117383335. The cubic root of 722860 is about 89.7466123803.

The spelling of 722860 in words is "seven hundred twenty-two thousand, eight hundred sixty".