29747133 has 12 divisors (see below), whose sum is σ = 46273500. Its totient is φ = 18305856.

The previous prime is 29747071. The next prime is 29747143. The reversal of 29747133 is 33174792.

It can be written as a sum of positive squares in 2 ways, for example, as 3090564 + 26656569 = 1758^2 + 5163^2 .

It is not a de Polignac number, because 29747133 - 2¹⁷ = 29616061 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29747143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127008 + ... + 127241.

It is an arithmetic number, because the mean of its divisors is an integer number (3856125).

Almost surely, 2^29747133 is an apocalyptic number.

It is an amenable number.

29747133 is a deficient number, since it is larger than the sum of its proper divisors (16526367).

29747133 is a wasteful number, since it uses less digits than its factorization.

29747133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254268 (or 254265 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 29747133 is about 5454.0932335265. The cubic root of 29747133 is about 309.8477677805.

The spelling of 29747133 in words is "twenty-nine million, seven hundred forty-seven thousand, one hundred thirty-three".