720187007344 has 160 divisors (see below), whose sum is σ = 1697948467200. Its totient is φ = 289325675520.

The previous prime is 720187007341. The next prime is 720187007347. The reversal of 720187007344 is 443700781027.

It is an interprime number because it is at equal distance from previous prime (720187007341) and next prime (720187007347).

It is a self number, because there is not a number n which added to its sum of digits gives 720187007344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720187007341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57558049 + ... + 57570559.

It is an arithmetic number, because the mean of its divisors is an integer number (10612177920).

Almost surely, 2^720187007344 is an apocalyptic number.

720187007344 is a gapful number since it is divisible by the number (74) 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 720187007344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (848974233600).

720187007344 is an abundant number, since it is smaller than the sum of its proper divisors (977761459856).

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

720187007344 is a wasteful number, since it uses less digits than its factorization.

720187007344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13071 (or 13065 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 43.

The spelling of 720187007344 in words is "seven hundred twenty billion, one hundred eighty-seven million, seven thousand, three hundred forty-four".