30973672 has 16 divisors (see below), whose sum is σ = 58140000. Its totient is φ = 15469680.

The previous prime is 30973637. The next prime is 30973693. The reversal of 30973672 is 27637903.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8829 + ... + 11827.

It is an arithmetic number, because the mean of its divisors is an integer number (3633750).

Almost surely, 2^30973672 is an apocalyptic number.

It is an amenable number.

30973672 is a deficient number, since it is larger than the sum of its proper divisors (27166328).

30973672 is a wasteful number, since it uses less digits than its factorization.

30973672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4296 (or 4292 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 37.

The square root of 30973672 is about 5565.3995364214. The cubic root of 30973672 is about 314.0491085781.

The spelling of 30973672 in words is "thirty million, nine hundred seventy-three thousand, six hundred seventy-two".