720255648 has 144 divisors (see below), whose sum is σ = 2281245120. Its totient is φ = 194890752.

The previous prime is 720255631. The next prime is 720255661. The reversal of 720255648 is 846552027.

720255648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241108 + ... + 244076.

It is an arithmetic number, because the mean of its divisors is an integer number (15841980).

Almost surely, 2^720255648 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 720255648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1140622560).

720255648 is an abundant number, since it is smaller than the sum of its proper divisors (1560989472).

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

720255648 is a wasteful number, since it uses less digits than its factorization.

720255648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027 (or 3000 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 720255648 is about 26837.5790264323. The cubic root of 720255648 is about 896.3870165885.

The spelling of 720255648 in words is "seven hundred twenty million, two hundred fifty-five thousand, six hundred forty-eight".