30897068 has 12 divisors (see below), whose sum is σ = 54496512. Its totient is φ = 15326640.

The previous prime is 30897047. The next prime is 30897077. The reversal of 30897068 is 86079803.

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, 29903 + ... + 30918.

It is an arithmetic number, because the mean of its divisors is an integer number (4541376).

Almost surely, 2^30897068 is an apocalyptic number.

It is an amenable number.

30897068 is a deficient number, since it is larger than the sum of its proper divisors (23599444).

30897068 is a wasteful number, since it uses less digits than its factorization.

30897068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60952 (or 60950 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 30897068 is about 5558.5131105359. The cubic root of 30897068 is about 313.7899930501.

The spelling of 30897068 in words is "thirty million, eight hundred ninety-seven thousand, sixty-eight".