720366844 has 12 divisors (see below), whose sum is σ = 1304112600. Its totient is φ = 347763248.

The previous prime is 720366833. The next prime is 720366853. The reversal of 720366844 is 448663027.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 720366797 and 720366806.

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, 3104914 + ... + 3105145.

It is an arithmetic number, because the mean of its divisors is an integer number (108676050).

Almost surely, 2^720366844 is an apocalyptic number.

It is an amenable number.

720366844 is a deficient number, since it is larger than the sum of its proper divisors (583745756).

720366844 is a wasteful number, since it uses less digits than its factorization.

720366844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6210092 (or 6210090 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 720366844 is about 26839.6505938509. The cubic root of 720366844 is about 896.4331435074.

It can be divided in two parts, 7203 and 66844, that added together give a palindrome (74047).

The spelling of 720366844 in words is "seven hundred twenty million, three hundred sixty-six thousand, eight hundred forty-four".