306708066 has 64 divisors (see below), whose sum is σ = 780687360. Its totient is φ = 87434640.

The previous prime is 306708053. The next prime is 306708091. The reversal of 306708066 is 660807603.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 306708066.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296971 + ... + 298001.

It is an arithmetic number, because the mean of its divisors is an integer number (12198240).

Almost surely, 2^306708066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 306708066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390343680).

306708066 is an abundant number, since it is smaller than the sum of its proper divisors (473979294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

306708066 is a wasteful number, since it uses less digits than its factorization.

306708066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836 (or 1830 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 306708066 is about 17513.0827097916. The cubic root of 306708066 is about 674.3857721065.

The spelling of 306708066 in words is "three hundred six million, seven hundred eight thousand, sixty-six".