306042678 has 32 divisors (see below), whose sum is σ = 680671200. Its totient is φ = 101927808.

The previous prime is 306042677. The next prime is 306042689. The reversal of 306042678 is 876240603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306042677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111450 + ... + 114162.

It is an arithmetic number, because the mean of its divisors is an integer number (21270975).

Almost surely, 2^306042678 is an apocalyptic number.

306042678 is an abundant number, since it is smaller than the sum of its proper divisors (374628522).

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

306042678 is a wasteful number, since it uses less digits than its factorization.

306042678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4813 (or 4807 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 306042678 is about 17494.0755114410. The cubic root of 306042678 is about 673.8977368057.

The spelling of 306042678 in words is "three hundred six million, forty-two thousand, six hundred seventy-eight".