720232 has 16 divisors (see below), whose sum is σ = 1360260. Its totient is φ = 357504.

The previous prime is 720229. The next prime is 720241. The reversal of 720232 is 232027.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 538756 + 181476 = 734^2 + 426^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1348 + ... + 1804.

2⁷²⁰²³² is an apocalyptic number.

It is an amenable number.

720232 is a deficient number, since it is larger than the sum of its proper divisors (640028).

720232 is a wasteful number, since it uses less digits than its factorization.

720232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 720232 is about 848.6648337241. The cubic root of 720232 is about 89.6377206187.

Adding to 720232 its reverse (232027), we get a palindrome (952259).

The spelling of 720232 in words is "seven hundred twenty thousand, two hundred thirty-two".