30330572 has 12 divisors (see below), whose sum is σ = 53208120. Its totient is φ = 15128256.

The previous prime is 30330571. The next prime is 30330647. The reversal of 30330572 is 27503303.

It is not an unprimeable number, because it can be changed into a prime (30330571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7373 + ... + 10724.

It is an arithmetic number, because the mean of its divisors is an integer number (4434010).

Almost surely, 2^30330572 is an apocalyptic number.

It is an amenable number.

30330572 is a deficient number, since it is larger than the sum of its proper divisors (22877548).

30330572 is a wasteful number, since it uses less digits than its factorization.

30330572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18520 (or 18518 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 23.

The square root of 30330572 is about 5507.3198563367. The cubic root of 30330572 is about 311.8603774789.

Adding to 30330572 its reverse (27503303), we get a palindrome (57833875).

The spelling of 30330572 in words is "thirty million, three hundred thirty thousand, five hundred seventy-two".