667020304 has 20 divisors (see below), whose sum is σ = 1334041600. Its totient is φ = 322751520.

The previous prime is 667020301. The next prime is 667020307. The reversal of 667020304 is 403020766.

It is an interprime number because it is at equal distance from previous prime (667020301) and next prime (667020307).

667020304 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (667020301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671904 + ... + 672895.

It is an arithmetic number, because the mean of its divisors is an integer number (66702080).

Almost surely, 2^667020304 is an apocalyptic number.

It is an amenable number.

667020304 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

667020304 is a wasteful number, since it uses less digits than its factorization.

667020304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344838 (or 1344832 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 667020304 is about 25826.7362243083. The cubic root of 667020304 is about 873.7349027650.

The spelling of 667020304 in words is "six hundred sixty-seven million, twenty thousand, three hundred four".