667430376 has 32 divisors (see below), whose sum is σ = 1741124160. Its totient is φ = 212803712.

The previous prime is 667430327. The next prime is 667430377. The reversal of 667430376 is 673034766.

667430376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (667430377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604005 + ... + 605108.

It is an arithmetic number, because the mean of its divisors is an integer number (54410130).

Almost surely, 2^667430376 is an apocalyptic number.

It is an amenable number.

667430376 is an abundant number, since it is smaller than the sum of its proper divisors (1073693784).

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

667430376 is a wasteful number, since it uses less digits than its factorization.

667430376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209145 (or 1209141 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 42.

The square root of 667430376 is about 25834.6739093026. The cubic root of 667430376 is about 873.9139182151.

The spelling of 667430376 in words is "six hundred sixty-seven million, four hundred thirty thousand, three hundred seventy-six".