720024228 has 480 divisors, whose sum is σ = 2601984000. Its totient is φ = 171460800.

The previous prime is 720024203. The next prime is 720024311. The reversal of 720024228 is 822420027.

720024228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 23226573 + ... + 23226603.

It is an arithmetic number, because the mean of its divisors is an integer number (5420800).

Almost surely, 2^720024228 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 720024228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1300992000).

720024228 is an abundant number, since it is smaller than the sum of its proper divisors (1881959772).

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

720024228 is a wasteful number, since it uses less digits than its factorization.

720024228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 720024228 is about 26833.2671883243. The cubic root of 720024228 is about 896.2910024833.

The spelling of 720024228 in words is "seven hundred twenty million, twenty-four thousand, two hundred twenty-eight".