720052 has 12 divisors (see below), whose sum is σ = 1334340. Its totient is φ = 338816.

The previous prime is 720023. The next prime is 720053. The reversal of 720052 is 250027.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 318096 + 401956 = 564^2 + 634^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720053) by changing a digit.

720052 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 3 ways as a sum of consecutive naturals, for example, 5227 + ... + 5362.

It is an arithmetic number, because the mean of its divisors is an integer number (111195).

2⁷²⁰⁰⁵² is an apocalyptic number.

It is an amenable number.

720052 is a deficient number, since it is larger than the sum of its proper divisors (614288).

720052 is a wasteful number, since it uses less digits than its factorization.

720052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10610 (or 10608 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 720052 is about 848.5587781645. The cubic root of 720052 is about 89.6302525926.

Adding to 720052 its reverse (250027), we get a palindrome (970079).

The spelling of 720052 in words is "seven hundred twenty thousand, fifty-two".