29947075 has 12 divisors (see below), whose sum is σ = 37385008. Its totient is φ = 23796000.

The previous prime is 29947033. The next prime is 29947079. The reversal of 29947075 is 57074992.

It is not a de Polignac number, because 29947075 - 2⁷ = 29946947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29947079) 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 in 11 ways as a sum of consecutive naturals, for example, 192 + ... + 7741.

Almost surely, 2^29947075 is an apocalyptic number.

29947075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

29947075 is a deficient number, since it is larger than the sum of its proper divisors (7437933).

29947075 is a wasteful number, since it uses less digits than its factorization.

29947075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8094 (or 8089 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 29947075 is about 5472.3920729421. The cubic root of 29947075 is about 310.5404205052.

It can be divided in two parts, 299 and 47075, that added together give a palindrome (47374).

The spelling of 29947075 in words is "twenty-nine million, nine hundred forty-seven thousand, seventy-five".