720324054736 has 80 divisors (see below), whose sum is σ = 1640972346048. Its totient is φ = 301984358400.

The previous prime is 720324054733. The next prime is 720324054739. The reversal of 720324054736 is 637450423027.

It is an interprime number because it is at equal distance from previous prime (720324054733) and next prime (720324054739).

It is a junction number, because it is equal to n+sod(n) for n = 720324054692 and 720324054701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720324054733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2655151 + ... + 2913841.

Almost surely, 2^720324054736 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 720324054736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (820486173024).

720324054736 is an abundant number, since it is smaller than the sum of its proper divisors (920648291312).

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

720324054736 is a wasteful number, since it uses less digits than its factorization.

720324054736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259940 (or 259934 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 43.

The spelling of 720324054736 in words is "seven hundred twenty billion, three hundred twenty-four million, fifty-four thousand, seven hundred thirty-six".