720200 has 48 divisors (see below), whose sum is σ = 1809780. Its totient is φ = 264960.

The previous prime is 720197. The next prime is 720211. The reversal of 720200 is 2027.

It can be written as a sum of positive squares in 6 ways, for example, as 51076 + 669124 = 226^2 + 818^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2462 + ... + 2738.

2⁷²⁰²⁰⁰ 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 720200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (904890).

720200 is an abundant number, since it is smaller than the sum of its proper divisors (1089580).

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

720200 is a wasteful number, since it uses less digits than its factorization.

720200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 11.

The square root of 720200 is about 848.6459803711. The cubic root of 720200 is about 89.6363930605.

Adding to 720200 its reverse (2027), we get a palindrome (722227).

The spelling of 720200 in words is "seven hundred twenty thousand, two hundred", and thus it is an iban number.