30667066 has 8 divisors (see below), whose sum is σ = 46042164. Its totient is φ = 15319680.

The previous prime is 30667051. The next prime is 30667069. The reversal of 30667066 is 66076603.

It can be written as a sum of positive squares in 2 ways, for example, as 18619225 + 12047841 = 4315^2 + 3471^2 .

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

It is not an unprimeable number, because it can be changed into a prime (30667069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3895 + ... + 8746.

Almost surely, 2^30667066 is an apocalyptic number.

30667066 is a deficient number, since it is larger than the sum of its proper divisors (15375098).

30667066 is a wasteful number, since it uses less digits than its factorization.

30667066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13856.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 30667066 is about 5537.7852973910. The cubic root of 30667066 is about 313.0094210640.

The spelling of 30667066 in words is "thirty million, six hundred sixty-seven thousand, sixty-six".