720755200 has 120 divisors (see below), whose sum is σ = 1948446720. Its totient is φ = 262041600.

The previous prime is 720755179. The next prime is 720755237. The reversal of 720755200 is 2557027.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138241 + ... + 143359.

It is an arithmetic number, because the mean of its divisors is an integer number (16237056).

Almost surely, 2^720755200 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 720755200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (974223360).

720755200 is an abundant number, since it is smaller than the sum of its proper divisors (1227691520).

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

720755200 is a wasteful number, since it uses less digits than its factorization.

720755200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5158 (or 5137 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 720755200 is about 26846.8843629945. The cubic root of 720755200 is about 896.5942061894.

The spelling of 720755200 in words is "seven hundred twenty million, seven hundred fifty-five thousand, two hundred".