722832 has 60 divisors (see below), whose sum is σ = 2093616. Its totient is φ = 213120.

The previous prime is 722819. The next prime is 722833. The reversal of 722832 is 238227.

It is a super-2 number, since 2×722832² = 1044972200448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

Its product of digits (1344) is a multiple of the sum of its prime factors (96).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 722832.

It is not an unprimeable number, because it can be changed into a prime (722833) by changing a digit.

722832 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, 19518 + ... + 19554.

2⁷²²⁸³² 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 722832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1046808).

722832 is an abundant number, since it is smaller than the sum of its proper divisors (1370784).

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

722832 is a wasteful number, since it uses less digits than its factorization.

722832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 53 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 722832 is about 850.1952716876. The cubic root of 722832 is about 89.7454535863.

It can be divided in two parts, 7228 and 32, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 722832 in words is "seven hundred twenty-two thousand, eight hundred thirty-two".