30272572 has 12 divisors (see below), whose sum is σ = 57793176. Its totient is φ = 13760240.

The previous prime is 30272551. The next prime is 30272579. The reversal of 30272572 is 27527203.

It is a self number, because there is not a number n which added to its sum of digits gives 30272572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30272579) 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, 343963 + ... + 344050.

It is an arithmetic number, because the mean of its divisors is an integer number (4816098).

Almost surely, 2^30272572 is an apocalyptic number.

It is an amenable number.

30272572 is a deficient number, since it is larger than the sum of its proper divisors (27520604).

30272572 is a wasteful number, since it uses less digits than its factorization.

30272572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688028 (or 688026 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 30272572 is about 5502.0516173515. The cubic root of 30272572 is about 311.6614643849.

Adding to 30272572 its reverse (27527203), we get a palindrome (57799775).

The spelling of 30272572 in words is "thirty million, two hundred seventy-two thousand, five hundred seventy-two".