30205968 has 40 divisors (see below), whose sum is σ = 84036288. Its totient is φ = 9293952.

The previous prime is 30205963. The next prime is 30205999. The reversal of 30205968 is 86950203.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30205961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23580 + ... + 24827.

Almost surely, 2^30205968 is an apocalyptic number.

It is an amenable number.

30205968 is an abundant number, since it is smaller than the sum of its proper divisors (53830320).

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

30205968 is a wasteful number, since it uses less digits than its factorization.

30205968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48431 (or 48425 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 30205968 is about 5495.9956331860. The cubic root of 30205968 is about 311.4327299135.

The spelling of 30205968 in words is "thirty million, two hundred five thousand, nine hundred sixty-eight".