29472172 has 12 divisors (see below), whose sum is σ = 52156440. Its totient is φ = 14570336.

The previous prime is 29472167. The next prime is 29472181. The reversal of 29472172 is 27127492.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 41038 + ... + 41749.

It is an arithmetic number, because the mean of its divisors is an integer number (4346370).

Almost surely, 2^29472172 is an apocalyptic number.

It is an amenable number.

29472172 is a deficient number, since it is larger than the sum of its proper divisors (22684268).

29472172 is a wasteful number, since it uses less digits than its factorization.

29472172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82880 (or 82878 counting only the distinct ones).

The product of its digits is 14112, while the sum is 34.

The square root of 29472172 is about 5428.8278661236. The cubic root of 29472172 is about 308.8901415412.

The spelling of 29472172 in words is "twenty-nine million, four hundred seventy-two thousand, one hundred seventy-two".