30972976 has 10 divisors (see below), whose sum is σ = 60010172. Its totient is φ = 15486480.

The previous prime is 30972971. The next prime is 30973001. The reversal of 30972976 is 67927903.

It is not an unprimeable number, because it can be changed into a prime (30972971) by changing a digit.

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 as a sum of consecutive naturals, namely, 967890 + ... + 967921.

Almost surely, 2^30972976 is an apocalyptic number.

It is an amenable number.

30972976 is a deficient number, since it is larger than the sum of its proper divisors (29037196).

30972976 is a wasteful number, since it uses less digits than its factorization.

30972976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935819 (or 1935813 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 30972976 is about 5565.3370068667. The cubic root of 30972976 is about 314.0467562597.

The spelling of 30972976 in words is "thirty million, nine hundred seventy-two thousand, nine hundred seventy-six".