667334007 has 12 divisors (see below), whose sum is σ = 964153944. Its totient is φ = 444784560.

The previous prime is 667333973. The next prime is 667334021. The reversal of 667334007 is 700433766.

It is not a de Polignac number, because 667334007 - 2⁶ = 667333943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667330007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60457 + ... + 70637.

It is an arithmetic number, because the mean of its divisors is an integer number (80346162).

Almost surely, 2^667334007 is an apocalyptic number.

667334007 is a deficient number, since it is larger than the sum of its proper divisors (296819937).

667334007 is a wasteful number, since it uses less digits than its factorization.

667334007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17470 (or 17467 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The square root of 667334007 is about 25832.8087323078. The cubic root of 667334007 is about 873.8718552689.

The spelling of 667334007 in words is "six hundred sixty-seven million, three hundred thirty-four thousand, seven".