30133072 has 10 divisors (see below), whose sum is σ = 58382858. Its totient is φ = 15066528.

The previous prime is 30133057. The next prime is 30133079. The reversal of 30133072 is 27033103.

It can be written as a sum of positive squares in only one way, i.e., 18870336 + 11262736 = 4344^2 + 3356^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30133079) 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 as a sum of consecutive naturals, namely, 941643 + ... + 941674.

Almost surely, 2^30133072 is an apocalyptic number.

It is an amenable number.

30133072 is a deficient number, since it is larger than the sum of its proper divisors (28249786).

30133072 is a wasteful number, since it uses less digits than its factorization.

30133072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883325 (or 1883319 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 30133072 is about 5489.3598898232. The cubic root of 30133072 is about 311.1820014571.

Adding to 30133072 its reverse (27033103), we get a palindrome (57166175).

The spelling of 30133072 in words is "thirty million, one hundred thirty-three thousand, seventy-two".