29925872 has 20 divisors (see below), whose sum is σ = 58069200. Its totient is φ = 14940288.

The previous prime is 29925853. The next prime is 29925913. The reversal of 29925872 is 27852992.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15893 + ... + 17675.

It is an arithmetic number, because the mean of its divisors is an integer number (2903460).

Almost surely, 2^29925872 is an apocalyptic number.

It is an amenable number.

29925872 is a deficient number, since it is larger than the sum of its proper divisors (28143328).

29925872 is a wasteful number, since it uses less digits than its factorization.

29925872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840 (or 2834 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 29925872 is about 5470.4544600974. The cubic root of 29925872 is about 310.4671140348.

The spelling of 29925872 in words is "twenty-nine million, nine hundred twenty-five thousand, eight hundred seventy-two".