30112868 has 6 divisors (see below), whose sum is σ = 52697526. Its totient is φ = 15056432.

The previous prime is 30112837. The next prime is 30112877. The reversal of 30112868 is 86821103.

It can be written as a sum of positive squares in only one way, i.e., 23600164 + 6512704 = 4858^2 + 2552^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30112868.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3764105 + ... + 3764112.

It is an arithmetic number, because the mean of its divisors is an integer number (8782921).

Almost surely, 2^30112868 is an apocalyptic number.

It is an amenable number.

30112868 is a deficient number, since it is larger than the sum of its proper divisors (22584658).

30112868 is a wasteful number, since it uses less digits than its factorization.

30112868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7528221 (or 7528219 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 30112868 is about 5487.5192938157. The cubic root of 30112868 is about 311.1124375038.

The spelling of 30112868 in words is "thirty million, one hundred twelve thousand, eight hundred sixty-eight".