29967972 has 24 divisors (see below), whose sum is σ = 70041216. Its totient is φ = 9972768.

The previous prime is 29967943. The next prime is 29968009. The reversal of 29967972 is 27976992.

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 7 ways as a sum of consecutive naturals, for example, 7093 + ... + 10499.

It is an arithmetic number, because the mean of its divisors is an integer number (2918384).

Almost surely, 2^29967972 is an apocalyptic number.

It is an amenable number.

29967972 is an abundant number, since it is smaller than the sum of its proper divisors (40073244).

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

29967972 is a wasteful number, since it uses less digits than its factorization.

29967972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4147 (or 4145 counting only the distinct ones).

The product of its digits is 857304, while the sum is 51.

The square root of 29967972 is about 5474.3010512759. The cubic root of 29967972 is about 310.6126351743.

The spelling of 29967972 in words is "twenty-nine million, nine hundred sixty-seven thousand, nine hundred seventy-two".