667079304 has 64 divisors (see below), whose sum is σ = 1753107840. Its totient is φ = 211115520.

The previous prime is 667079299. The next prime is 667079317. The reversal of 667079304 is 403970766.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 71214 + ... + 80034.

It is an arithmetic number, because the mean of its divisors is an integer number (27392310).

Almost surely, 2^667079304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 667079304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (876553920).

667079304 is an abundant number, since it is smaller than the sum of its proper divisors (1086028536).

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

667079304 is a wasteful number, since it uses less digits than its factorization.

667079304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8990 (or 8986 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 667079304 is about 25827.8784262277. The cubic root of 667079304 is about 873.7606635197.

The spelling of 667079304 in words is "six hundred sixty-seven million, seventy-nine thousand, three hundred four".