306730030 has 8 divisors (see below), whose sum is σ = 552114072. Its totient is φ = 122692008.

The previous prime is 306730009. The next prime is 306730057. The reversal of 306730030 is 30037603.

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

It is a super-2 number, since 2×306730030² = 188166622607601800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 306729983 and 306730010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15336492 + ... + 15336511.

It is an arithmetic number, because the mean of its divisors is an integer number (69014259).

Almost surely, 2^306730030 is an apocalyptic number.

306730030 is a deficient number, since it is larger than the sum of its proper divisors (245384042).

306730030 is a wasteful number, since it uses less digits than its factorization.

306730030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30673010.

The product of its (nonzero) digits is 1134, while the sum is 22.

The square root of 306730030 is about 17513.7097726324. The cubic root of 306730030 is about 674.4018697763.

Adding to 306730030 its reverse (30037603), we get a palindrome (336767633).

The spelling of 306730030 in words is "three hundred six million, seven hundred thirty thousand, thirty".