667075346 has 16 divisors (see below), whose sum is σ = 1147815360. Its totient is φ = 284825040.

The previous prime is 667075337. The next prime is 667075349. The reversal of 667075346 is 643570766.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 667075297 and 667075306.

It is not an unprimeable number, because it can be changed into a prime (667075349) 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 7 ways as a sum of consecutive naturals, for example, 84800 + ... + 92331.

It is an arithmetic number, because the mean of its divisors is an integer number (71738460).

Almost surely, 2^667075346 is an apocalyptic number.

667075346 is a deficient number, since it is larger than the sum of its proper divisors (480740014).

667075346 is a wasteful number, since it uses less digits than its factorization.

667075346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177409.

The product of its (nonzero) digits is 635040, while the sum is 44.

The square root of 667075346 is about 25827.8018034830. The cubic root of 667075346 is about 873.7589354136.

The spelling of 667075346 in words is "six hundred sixty-seven million, seventy-five thousand, three hundred forty-six".