30806066 has 8 divisors (see below), whose sum is σ = 46401564. Its totient is φ = 15338880.

The previous prime is 30806063. The next prime is 30806071. The reversal of 30806066 is 66060803.

It can be written as a sum of positive squares in 2 ways, for example, as 29931841 + 874225 = 5471^2 + 935^2 .

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 (30806063) 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, 31475 + ... + 32438.

Almost surely, 2^30806066 is an apocalyptic number.

30806066 is a deficient number, since it is larger than the sum of its proper divisors (15595498).

30806066 is a wasteful number, since it uses less digits than its factorization.

30806066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64156.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 30806066 is about 5550.3212519637. The cubic root of 30806066 is about 313.4816186111.

Adding to 30806066 its reverse (66060803), we get a palindrome (96866869).

The spelling of 30806066 in words is "thirty million, eight hundred six thousand, sixty-six".