30027321 has 16 divisors (see below), whose sum is σ = 47102400. Its totient is φ = 18840384.

The previous prime is 30027317. The next prime is 30027329. The reversal of 30027321 is 12372003.

It is not a de Polignac number, because 30027321 - 2² = 30027317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30027294 and 30027303.

It is not an unprimeable number, because it can be changed into a prime (30027329) 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 15 ways as a sum of consecutive naturals, for example, 32251 + ... + 33168.

It is an arithmetic number, because the mean of its divisors is an integer number (2943900).

Almost surely, 2^30027321 is an apocalyptic number.

It is an amenable number.

30027321 is a deficient number, since it is larger than the sum of its proper divisors (17075079).

30027321 is a wasteful number, since it uses less digits than its factorization.

30027321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65445 (or 65439 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 30027321 is about 5479.7190621418. The cubic root of 30027321 is about 310.8175471973.

Adding to 30027321 its reverse (12372003), we get a palindrome (42399324).

The spelling of 30027321 in words is "thirty million, twenty-seven thousand, three hundred twenty-one".