30066128 has 20 divisors (see below), whose sum is σ = 58629060. Its totient is φ = 14936064.

The previous prime is 30066103. The next prime is 30066133. The reversal of 30066128 is 82166003.

It can be written as a sum of positive squares in 2 ways, for example, as 5345344 + 24720784 = 2312^2 + 4972^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30066097 and 30066106.

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, 3473 + ... + 8496.

It is an arithmetic number, because the mean of its divisors is an integer number (2931453).

Almost surely, 2^30066128 is an apocalyptic number.

It is an amenable number.

30066128 is a deficient number, since it is larger than the sum of its proper divisors (28562932).

30066128 is a wasteful number, since it uses less digits than its factorization.

30066128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12134 (or 12128 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 30066128 is about 5483.2588850063. The cubic root of 30066128 is about 310.9513886863.

The spelling of 30066128 in words is "thirty million, sixty-six thousand, one hundred twenty-eight".