720098447860 has 96 divisors (see below), whose sum is σ = 1676812161024. Its totient is φ = 257564496000.

The previous prime is 720098447839. The next prime is 720098447891. The reversal of 720098447860 is 68744890027.

It is a happy number.

It is a super-2 number, since 2×720098447860² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6678739 + ... + 6785701.

It is an arithmetic number, because the mean of its divisors is an integer number (17466793344).

Almost surely, 2^720098447860 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 720098447860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (838406080512).

720098447860 is an abundant number, since it is smaller than the sum of its proper divisors (956713713164).

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

720098447860 is a wasteful number, since it uses less digits than its factorization.

720098447860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107485 (or 107483 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 720098447860 in words is "seven hundred twenty billion, ninety-eight million, four hundred forty-seven thousand, eight hundred sixty".