6720623889000 has 1024 divisors, whose sum is σ = 26302935859200. Its totient is φ = 1393219584000.

The previous prime is 6720623888977. The next prime is 6720623889073. The reversal of 6720623889000 is 9883260276.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2910619846 + ... + 2910622154.

It is an arithmetic number, because the mean of its divisors is an integer number (25686460800).

Almost surely, 2^{6720623889000} is an apocalyptic number.

6720623889000 is a gapful number since it is divisible by the number (60) 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 6720623889000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13151467929600).

6720623889000 is an abundant number, since it is smaller than the sum of its proper divisors (19582311970200).

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

6720623889000 is a wasteful number, since it uses less digits than its factorization.

6720623889000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651 (or 2637 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 6720623889000 in words is "six trillion, seven hundred twenty billion, six hundred twenty-three million, eight hundred eighty-nine thousand".