29994872 has 32 divisors (see below), whose sum is σ = 57456000. Its totient is φ = 14677344.

The previous prime is 29994871. The next prime is 29994893. The reversal of 29994872 is 27849992.

It is a self number, because there is not a number n which added to its sum of digits gives 29994872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29994871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132023 + ... + 132249.

It is an arithmetic number, because the mean of its divisors is an integer number (1795500).

Almost surely, 2^29994872 is an apocalyptic number.

It is an amenable number.

29994872 is a deficient number, since it is larger than the sum of its proper divisors (27461128).

29994872 is a wasteful number, since it uses less digits than its factorization.

29994872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 511 counting only the distinct ones).

The product of its digits is 653184, while the sum is 50.

The square root of 29994872 is about 5476.7574348331. The cubic root of 29994872 is about 310.7055452662.

The spelling of 29994872 in words is "twenty-nine million, nine hundred ninety-four thousand, eight hundred seventy-two".