720670288800 has 1728 divisors, whose sum is σ = 3175836733440. Its totient is φ = 138499891200.

The previous prime is 720670288799. The next prime is 720670288829. The reversal of 720670288800 is 8882076027.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 720670288800.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1815290202 + ... + 1815290598.

It is an arithmetic number, because the mean of its divisors is an integer number (1837868480).

Almost surely, 2^720670288800 is an apocalyptic number.

720670288800 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 720670288800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1587918366720).

720670288800 is an abundant number, since it is smaller than the sum of its proper divisors (2455166444640).

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

720670288800 is a wasteful number, since it uses less digits than its factorization.

720670288800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 48.

The spelling of 720670288800 in words is "seven hundred twenty billion, six hundred seventy million, two hundred eighty-eight thousand, eight hundred".