720748800 has 432 divisors, whose sum is σ = 2732255680. Its totient is φ = 185794560.

The previous prime is 720748771. The next prime is 720748811. The reversal of 720748800 is 8847027.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7430352 + ... + 7430448.

Almost surely, 2^720748800 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 720748800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1366127840).

720748800 is an abundant number, since it is smaller than the sum of its proper divisors (2011506880).

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

720748800 is a wasteful number, since it uses less digits than its factorization.

720748800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 720748800 is about 26846.7651682656. The cubic root of 720748800 is about 896.5915523897.

The spelling of 720748800 in words is "seven hundred twenty million, seven hundred forty-eight thousand, eight hundred".