304742068 has 12 divisors (see below), whose sum is σ = 564669252. Its totient is φ = 143408000.

The previous prime is 304741999. The next prime is 304742089. The reversal of 304742068 is 860247403.

It can be written as a sum of positive squares in 2 ways, for example, as 115734564 + 189007504 = 10758^2 + 13748^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2240683 + ... + 2240818.

It is an arithmetic number, because the mean of its divisors is an integer number (47055771).

Almost surely, 2^304742068 is an apocalyptic number.

It is an amenable number.

304742068 is a deficient number, since it is larger than the sum of its proper divisors (259927184).

304742068 is a wasteful number, since it uses less digits than its factorization.

304742068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481522 (or 4481520 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 304742068 is about 17456.8630629904. The cubic root of 304742068 is about 672.9417452099.

The spelling of 304742068 in words is "three hundred four million, seven hundred forty-two thousand, sixty-eight".