30712648 has 16 divisors (see below), whose sum is σ = 57674880. Its totient is φ = 15332688.

The previous prime is 30712639. The next prime is 30712651. The reversal of 30712648 is 84621703.

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 3 ways as a sum of consecutive naturals, for example, 3361 + ... + 8527.

It is an arithmetic number, because the mean of its divisors is an integer number (3604680).

Almost surely, 2^30712648 is an apocalyptic number.

It is an amenable number.

30712648 is a deficient number, since it is larger than the sum of its proper divisors (26962232).

30712648 is a wasteful number, since it uses less digits than its factorization.

30712648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5916 (or 5912 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 30712648 is about 5541.8993134123. The cubic root of 30712648 is about 313.1644248323.

The spelling of 30712648 in words is "thirty million, seven hundred twelve thousand, six hundred forty-eight".