720233812 has 6 divisors (see below), whose sum is σ = 1260409178. Its totient is φ = 360116904.

The previous prime is 720233807. The next prime is 720233831. The reversal of 720233812 is 218332027.

It can be written as a sum of positive squares in only one way, i.e., 718025616 + 2208196 = 26796^2 + 1486^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90029223 + ... + 90029230.

Almost surely, 2^720233812 is an apocalyptic number.

It is an amenable number.

720233812 is a deficient number, since it is larger than the sum of its proper divisors (540175366).

720233812 is a wasteful number, since it uses less digits than its factorization.

720233812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180058457 (or 180058455 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 720233812 is about 26837.1722057299. The cubic root of 720233812 is about 896.3779579046.

Adding to 720233812 its reverse (218332027), we get a palindrome (938565839).

It can be divided in two parts, 7202 and 33812, that added together give a palindrome (41014).

The spelling of 720233812 in words is "seven hundred twenty million, two hundred thirty-three thousand, eight hundred twelve".