8700560730 has 160 divisors (see below), whose sum is σ = 25441984656. Its totient is φ = 2124527616.

The previous prime is 8700560707. The next prime is 8700560749. The reversal of 8700560730 is 370650078.

It can be written as a sum of positive squares in 8 ways, for example, as 6594576849 + 2105983881 = 81207^2 + 45891^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 500952 + ... + 518028.

Almost surely, 2^8700560730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8700560730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12720992328).

8700560730 is an abundant number, since it is smaller than the sum of its proper divisors (16741423926).

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

8700560730 is a wasteful number, since it uses less digits than its factorization.

8700560730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17150 (or 17141 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 8700560730 is about 93276.7963107653. The cubic root of 8700560730 is about 2056.7543014277.

The spelling of 8700560730 in words is "eight billion, seven hundred million, five hundred sixty thousand, seven hundred thirty".