5618530730 has 8 divisors (see below), whose sum is σ = 10113355332. Its totient is φ = 2247412288.

The previous prime is 5618530727. The next prime is 5618530759. The reversal of 5618530730 is 370358165.

It can be written as a sum of positive squares in 2 ways, for example, as 5512914001 + 105616729 = 74249^2 + 10277^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280926527 + ... + 280926546.

Almost surely, 2^5618530730 is an apocalyptic number.

5618530730 is a deficient number, since it is larger than the sum of its proper divisors (4494824602).

5618530730 is a wasteful number, since it uses less digits than its factorization.

5618530730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561853080.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 5618530730 is about 74956.8591257665. The cubic root of 5618530730 is about 1777.7645980172.

Adding to 5618530730 its reverse (370358165), we get a palindrome (5988888895).

The spelling of 5618530730 in words is "five billion, six hundred eighteen million, five hundred thirty thousand, seven hundred thirty".