30668808 has 16 divisors (see below), whose sum is σ = 76672080. Its totient is φ = 10222928.

The previous prime is 30668801. The next prime is 30668809. The reversal of 30668808 is 80886603.

It is not an unprimeable number, because it can be changed into a prime (30668801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638910 + ... + 638957.

It is an arithmetic number, because the mean of its divisors is an integer number (4792005).

Almost surely, 2^30668808 is an apocalyptic number.

It is an amenable number.

30668808 is an abundant number, since it is smaller than the sum of its proper divisors (46003272).

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

30668808 is a wasteful number, since it uses less digits than its factorization.

30668808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277876 (or 1277872 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 30668808 is about 5537.9425782505. The cubic root of 30668808 is about 313.0153476400.

The spelling of 30668808 in words is "thirty million, six hundred sixty-eight thousand, eight hundred eight".