30133272 has 32 divisors (see below), whose sum is σ = 81128880. Its totient is φ = 9271680.

The previous prime is 30133217. The next prime is 30133273. The reversal of 30133272 is 27233103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30133273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47979 + ... + 48602.

Almost surely, 2^30133272 is an apocalyptic number.

It is an amenable number.

30133272 is an abundant number, since it is smaller than the sum of its proper divisors (50995608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30133272 is a wasteful number, since it uses less digits than its factorization.

30133272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96603 (or 96599 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 30133272 is about 5489.3781068533. The cubic root of 30133272 is about 311.1826899173.

Adding to 30133272 its reverse (27233103), we get a palindrome (57366375).

The spelling of 30133272 in words is "thirty million, one hundred thirty-three thousand, two hundred seventy-two".