720747720000 has 2240 divisors, whose sum is σ = 3373056276480. Its totient is φ = 148366080000.

The previous prime is 720747719957. The next prime is 720747720023. The reversal of 720747720000 is 27747027.

It is a tau number, because it is divible by the number of its divisors (2240).

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 319 ways as a sum of consecutive naturals, for example, 6735959947 + ... + 6735960053.

Almost surely, 2^720747720000 is an apocalyptic number.

720747720000 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 720747720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1686528138240).

720747720000 is an abundant number, since it is smaller than the sum of its proper divisors (2652308556480).

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

720747720000 is an equidigital number, since it uses as much as digits as its factorization.

720747720000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 38416, while the sum is 36.

The spelling of 720747720000 in words is "seven hundred twenty billion, seven hundred forty-seven million, seven hundred twenty thousand".