720000072000 has 336 divisors, whose sum is σ = 2809705189824. Its totient is φ = 174545280000.

The previous prime is 720000071969. The next prime is 720000072013. The reversal of 720000072000 is 270000027.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 337455 + ... + 1246545.

Almost surely, 2^720000072000 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 720000072000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1404852594912).

720000072000 is an abundant number, since it is smaller than the sum of its proper divisors (2089705117824).

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

720000072000 is a wasteful number, since it uses less digits than its factorization.

720000072000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909135 (or 909112 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 18.

Adding to 720000072000 its reverse (270000027), we get a palindrome (720270072027).

It can be divided in two parts, 7200000 and 72000, that multiplied together give a square (518400000000 = 720000²).

The spelling of 720000072000 in words is "seven hundred twenty billion, seventy-two thousand".