30686068 has 12 divisors (see below), whose sum is σ = 61372192. Its totient is φ = 13151160.

The previous prime is 30686053. The next prime is 30686093. The reversal of 30686068 is 86068603.

30686068 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 547938 + ... + 547993.

Almost surely, 2^30686068 is an apocalyptic number.

It is an amenable number.

30686068 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30686068 is a wasteful number, since it uses less digits than its factorization.

30686068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095942 (or 1095940 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 30686068 is about 5539.5006995216. The cubic root of 30686068 is about 313.0740569286.

The spelling of 30686068 in words is "thirty million, six hundred eighty-six thousand, sixty-eight".