30680658 has 24 divisors (see below), whose sum is σ = 66583296. Its totient is φ = 10210200.

The previous prime is 30680641. The next prime is 30680717. The reversal of 30680658 is 85608603.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15463 + ... + 17333.

It is an arithmetic number, because the mean of its divisors is an integer number (2774304).

Almost surely, 2^30680658 is an apocalyptic number.

30680658 is an abundant number, since it is smaller than the sum of its proper divisors (35902638).

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

30680658 is a wasteful number, since it uses less digits than its factorization.

30680658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790 (or 2787 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 30680658 is about 5539.0123668394. The cubic root of 30680658 is about 313.0556573714.

The spelling of 30680658 in words is "thirty million, six hundred eighty thousand, six hundred fifty-eight".