667073707007 has 2 divisors, whose sum is σ = 667073707008. Its totient is φ = 667073707006.

The previous prime is 667073706997. The next prime is 667073707031. The reversal of 667073707007 is 700707370766.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 667073707007 - 2¹⁰ = 667073705983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667073707057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333536853503 + 333536853504.

It is an arithmetic number, because the mean of its divisors is an integer number (333536853504).

Almost surely, 2^667073707007 is an apocalyptic number.

667073707007 is a deficient number, since it is larger than the sum of its proper divisors (1).

667073707007 is an equidigital number, since it uses as much as digits as its factorization.

667073707007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1815156, while the sum is 50.

The spelling of 667073707007 in words is "six hundred sixty-seven billion, seventy-three million, seven hundred seven thousand, seven".