30676688 has 20 divisors (see below), whose sum is σ = 67927200. Its totient is φ = 13147104.

The previous prime is 30676661. The next prime is 30676691. The reversal of 30676688 is 88667603.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 136838 + ... + 137061.

It is an arithmetic number, because the mean of its divisors is an integer number (3396360).

Almost surely, 2^30676688 is an apocalyptic number.

It is an amenable number.

30676688 is an abundant number, since it is smaller than the sum of its proper divisors (37250512).

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

30676688 is a wasteful number, since it uses less digits than its factorization.

30676688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273914 (or 273908 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 30676688 is about 5538.6539881094. The cubic root of 30676688 is about 313.0421539173.

The spelling of 30676688 in words is "thirty million, six hundred seventy-six thousand, six hundred eighty-eight".