720541252 has 12 divisors (see below), whose sum is σ = 1261135120. Its totient is φ = 360216936.

The previous prime is 720541229. The next prime is 720541253. The reversal of 720541252 is 252145027.

It is a self number, because there is not a number n which added to its sum of digits gives 720541252.

It is not an unprimeable number, because it can be changed into a prime (720541253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46063 + ... + 59689.

Almost surely, 2^720541252 is an apocalyptic number.

It is an amenable number.

720541252 is a deficient number, since it is larger than the sum of its proper divisors (540593868).

720541252 is a wasteful number, since it uses less digits than its factorization.

720541252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26850 (or 26848 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 720541252 is about 26842.8994708098. The cubic root of 720541252 is about 896.5054828056.

Adding to 720541252 its reverse (252145027), we get a palindrome (972686279).

The spelling of 720541252 in words is "seven hundred twenty million, five hundred forty-one thousand, two hundred fifty-two".