30755666 has 8 divisors (see below), whose sum is σ = 46255104. Its totient is φ = 15337300.

The previous prime is 30755663. The next prime is 30755713. The reversal of 30755666 is 66655703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×30755666² = 1891821982207112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30755663) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19310 + ... + 20841.

It is an arithmetic number, because the mean of its divisors is an integer number (5781888).

Almost surely, 2^30755666 is an apocalyptic number.

30755666 is a deficient number, since it is larger than the sum of its proper divisors (15499438).

30755666 is a wasteful number, since it uses less digits than its factorization.

30755666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40536.

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 30755666 is about 5545.7791156879. The cubic root of 30755666 is about 313.3105689915.

The spelling of 30755666 in words is "thirty million, seven hundred fifty-five thousand, six hundred sixty-six".