30075666 has 16 divisors (see below), whose sum is σ = 60456000. Its totient is φ = 9974448.

The previous prime is 30075649. The next prime is 30075677. The reversal of 30075666 is 66657003.

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 7 ways as a sum of consecutive naturals, for example, 11401 + ... + 13788.

It is an arithmetic number, because the mean of its divisors is an integer number (3778500).

Almost surely, 2^30075666 is an apocalyptic number.

30075666 is an abundant number, since it is smaller than the sum of its proper divisors (30380334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30075666 is a wasteful number, since it uses less digits than its factorization.

30075666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25393.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 30075666 is about 5484.1285542919. The cubic root of 30075666 is about 310.9842666675.

The spelling of 30075666 in words is "thirty million, seventy-five thousand, six hundred sixty-six".