722352 has 40 divisors (see below), whose sum is σ = 1897200. Its totient is φ = 236800.

The previous prime is 722341. The next prime is 722353. The reversal of 722352 is 253227.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (722353) by changing a digit.

722352 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, 4774 + ... + 4922.

It is an arithmetic number, because the mean of its divisors is an integer number (47430).

2⁷²²³⁵² 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 722352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (948600).

722352 is an abundant number, since it is smaller than the sum of its proper divisors (1174848).

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

722352 is a wasteful number, since it uses less digits than its factorization.

722352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 255 counting only the distinct ones).

The product of its digits is 840, while the sum is 21.

The square root of 722352 is about 849.9129367176. The cubic root of 722352 is about 89.7255838901.

Adding to 722352 its reverse (253227), we get a palindrome (975579).

The spelling of 722352 in words is "seven hundred twenty-two thousand, three hundred fifty-two".