30660706 has 4 divisors (see below), whose sum is σ = 45991062. Its totient is φ = 15330352.

The previous prime is 30660689. The next prime is 30660713. The reversal of 30660706 is 60706603.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29539225 + 1121481 = 5435^2 + 1059^2 .

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 as a sum of consecutive naturals, namely, 7665175 + ... + 7665178.

Almost surely, 2^30660706 is an apocalyptic number.

30660706 is a deficient number, since it is larger than the sum of its proper divisors (15330356).

30660706 is a wasteful number, since it uses less digits than its factorization.

30660706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15330355.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 30660706 is about 5537.2110308349. The cubic root of 30660706 is about 312.9877813724.

The spelling of 30660706 in words is "thirty million, six hundred sixty thousand, seven hundred six".