715737543680 has 88 divisors (see below), whose sum is σ = 1719955804680. Its totient is φ = 285790699520.

The previous prime is 715737543649. The next prime is 715737543707. The reversal of 715737543680 is 86345737517.

It can be written as a sum of positive squares in 4 ways, for example, as 3455558656 + 712281985024 = 58784^2 + 843968^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2790440 + ... + 3036120.

Almost surely, 2^715737543680 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 715737543680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (859977902340).

715737543680 is an abundant number, since it is smaller than the sum of its proper divisors (1004218261000).

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

715737543680 is a wasteful number, since it uses less digits than its factorization.

715737543680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246275 (or 246257 counting only the distinct ones).

The product of its (nonzero) digits is 14817600, while the sum is 56.

The spelling of 715737543680 in words is "seven hundred fifteen billion, seven hundred thirty-seven million, five hundred forty-three thousand, six hundred eighty".