30968568 has 40 divisors (see below), whose sum is σ = 86742480. Its totient is φ = 10322640.

The previous prime is 30968521. The next prime is 30968573. The reversal of 30968568 is 86586903.

It is a congruent number.

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 9 ways as a sum of consecutive naturals, for example, 23248 + ... + 24543.

It is an arithmetic number, because the mean of its divisors is an integer number (2168562).

Almost surely, 2^30968568 is an apocalyptic number.

It is an amenable number.

30968568 is an abundant number, since it is smaller than the sum of its proper divisors (55773912).

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

30968568 is a wasteful number, since it uses less digits than its factorization.

30968568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47809 (or 47796 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 30968568 is about 5564.9409700373. The cubic root of 30968568 is about 314.0318574247.

It can be divided in two parts, 3096 and 8568, that added together give a square (11664 = 108²).

The spelling of 30968568 in words is "thirty million, nine hundred sixty-eight thousand, five hundred sixty-eight".