305570068 has 6 divisors (see below), whose sum is σ = 534747626. Its totient is φ = 152785032.

The previous prime is 305570059. The next prime is 305570081. The reversal of 305570068 is 860075503.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 269353744 + 36216324 = 16412^2 + 6018^2 .

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 as a sum of consecutive naturals, namely, 38196255 + ... + 38196262.

Almost surely, 2^305570068 is an apocalyptic number.

It is an amenable number.

305570068 is a deficient number, since it is larger than the sum of its proper divisors (229177558).

305570068 is a wasteful number, since it uses less digits than its factorization.

305570068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76392521 (or 76392519 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 305570068 is about 17480.5625767594. The cubic root of 305570068 is about 673.5506665903.

The spelling of 305570068 in words is "three hundred five million, five hundred seventy thousand, sixty-eight".