30047666 has 16 divisors (see below), whose sum is σ = 49409568. Its totient is φ = 13591200.

The previous prime is 30047659. The next prime is 30047671. The reversal of 30047666 is 66674003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1406 + ... + 7878.

It is an arithmetic number, because the mean of its divisors is an integer number (3088098).

Almost surely, 2^30047666 is an apocalyptic number.

30047666 is a deficient number, since it is larger than the sum of its proper divisors (19361902).

30047666 is a wasteful number, since it uses less digits than its factorization.

30047666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6697.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 30047666 is about 5481.5751385893. The cubic root of 30047666 is about 310.8877294529.

The spelling of 30047666 in words is "thirty million, forty-seven thousand, six hundred sixty-six".