30528027 has 12 divisors (see below), whose sum is σ = 44143944. Its totient is φ = 20329920.

The previous prime is 30528011. The next prime is 30528119. The reversal of 30528027 is 72082503.

It is not a de Polignac number, because 30528027 - 2⁴ = 30528011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30528007) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 15363 + ... + 17235.

It is an arithmetic number, because the mean of its divisors is an integer number (3678662).

Almost surely, 2^30528027 is an apocalyptic number.

30528027 is a deficient number, since it is larger than the sum of its proper divisors (13615917).

30528027 is a wasteful number, since it uses less digits than its factorization.

30528027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3690 (or 3687 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 30528027 is about 5525.2173712896. The cubic root of 30528027 is about 312.5356614236.

The spelling of 30528027 in words is "thirty million, five hundred twenty-eight thousand, twenty-seven".