673866007 has 2 divisors, whose sum is σ = 673866008. Its totient is φ = 673866006.

The previous prime is 673866001. The next prime is 673866031. The reversal of 673866007 is 700668376.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 673866007 - 2¹⁹ = 673341719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673866001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336933003 + 336933004.

It is an arithmetic number, because the mean of its divisors is an integer number (336933004).

Almost surely, 2^673866007 is an apocalyptic number.

673866007 is a deficient number, since it is larger than the sum of its proper divisors (1).

673866007 is an equidigital number, since it uses as much as digits as its factorization.

673866007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 673866007 is about 25958.9292344657. The cubic root of 673866007 is about 876.7138141709.

The spelling of 673866007 in words is "six hundred seventy-three million, eight hundred sixty-six thousand, seven".