8065700730 has 48 divisors (see below), whose sum is σ = 21104430984. Its totient is φ = 2137150080.

The previous prime is 8065700693. The next prime is 8065700761. The reversal of 8065700730 is 370075608.

8065700730 is a `hidden beast` number, since 80 + 6 + 570 + 0 + 7 + 3 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5491254609 + 2574446121 = 74103^2 + 50739^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271281 + ... + 299540.

Almost surely, 2^8065700730 is an apocalyptic number.

8065700730 is an abundant number, since it is smaller than the sum of its proper divisors (13038730254).

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

8065700730 is a wasteful number, since it uses less digits than its factorization.

8065700730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570991 (or 570988 counting only the distinct ones).

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

The square root of 8065700730 is about 89809.2463502506. The cubic root of 8065700730 is about 2005.4601406998.

The spelling of 8065700730 in words is "eight billion, sixty-five million, seven hundred thousand, seven hundred thirty".