29980072 has 16 divisors (see below), whose sum is σ = 56311200. Its totient is φ = 14963760.

The previous prime is 29980057. The next prime is 29980103. The reversal of 29980072 is 27008992.

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, 2079 + ... + 8017.

It is an arithmetic number, because the mean of its divisors is an integer number (3519450).

Almost surely, 2^29980072 is an apocalyptic number.

It is an amenable number.

29980072 is a deficient number, since it is larger than the sum of its proper divisors (26331128).

29980072 is a wasteful number, since it uses less digits than its factorization.

29980072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6576 (or 6572 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 29980072 is about 5475.4061036603. The cubic root of 29980072 is about 310.6544343230.

The spelling of 29980072 in words is "twenty-nine million, nine hundred eighty thousand, seventy-two".