30008680 has 32 divisors (see below), whose sum is σ = 72714600. Its totient is φ = 11079936.

The previous prime is 30008677. The next prime is 30008773. The reversal of 30008680 is 8680003.

It can be written as a sum of positive squares in 4 ways, for example, as 10876804 + 19131876 = 3298^2 + 4374^2 .

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, 28335 + ... + 29374.

Almost surely, 2^30008680 is an apocalyptic number.

It is an amenable number.

30008680 is an abundant number, since it is smaller than the sum of its proper divisors (42705920).

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

30008680 is a wasteful number, since it uses less digits than its factorization.

30008680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57733 (or 57729 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 30008680 is about 5478.0178897116. The cubic root of 30008680 is about 310.7532152369.

Adding to 30008680 its reverse (8680003), we get a palindrome (38688683).

The spelling of 30008680 in words is "thirty million, eight thousand, six hundred eighty".