29929172 has 24 divisors (see below), whose sum is σ = 64463616. Its totient is φ = 11839968.

The previous prime is 29929171. The next prime is 29929181. The reversal of 29929172 is 27192992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29929171) 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 7 ways as a sum of consecutive naturals, for example, 40748 + ... + 41475.

It is an arithmetic number, because the mean of its divisors is an integer number (2685984).

Almost surely, 2^29929172 is an apocalyptic number.

It is an amenable number.

29929172 is an abundant number, since it is smaller than the sum of its proper divisors (34534444).

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

29929172 is a wasteful number, since it uses less digits than its factorization.

29929172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82247 (or 82245 counting only the distinct ones).

The product of its digits is 40824, while the sum is 41.

The square root of 29929172 is about 5470.7560720617. The cubic root of 29929172 is about 310.4785256078.

The spelling of 29929172 in words is "twenty-nine million, nine hundred twenty-nine thousand, one hundred seventy-two".