720245072 has 40 divisors (see below), whose sum is σ = 1442979072. Its totient is φ = 347904000.

The previous prime is 720245063. The next prime is 720245089. The reversal of 720245072 is 270542027.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449072 + ... + 450672.

Almost surely, 2^720245072 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 720245072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (721489536).

720245072 is an abundant number, since it is smaller than the sum of its proper divisors (722734000).

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

720245072 is a wasteful number, since it uses less digits than its factorization.

720245072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547 (or 2541 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 720245072 is about 26837.3819885621. The cubic root of 720245072 is about 896.3826291484.

Adding to 720245072 its reverse (270542027), we get a palindrome (990787099).

The spelling of 720245072 in words is "seven hundred twenty million, two hundred forty-five thousand, seventy-two".