722376 has 48 divisors (see below), whose sum is σ = 1996800. Its totient is φ = 235872.

The previous prime is 722369. The next prime is 722377. The reversal of 722376 is 673227.

722376 is a modest number, since divided by 2376 gives 72 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722377) by changing a digit.

722376 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 11 ways as a sum of consecutive naturals, for example, 5625 + ... + 5751.

It is an arithmetic number, because the mean of its divisors is an integer number (41600).

2⁷²²³⁷⁶ 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 722376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (998400).

722376 is an abundant number, since it is smaller than the sum of its proper divisors (1274424).

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

722376 is a wasteful number, since it uses less digits than its factorization.

722376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 211 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 722376 is about 849.9270556936. The cubic root of 722376 is about 89.7265775840.

Adding to 722376 its product of digits (3528), we get a square (725904 = 852²).

The spelling of 722376 in words is "seven hundred twenty-two thousand, three hundred seventy-six".