673666707 has 16 divisors (see below), whose sum is σ = 1029596672. Its totient is φ = 383806080.

The previous prime is 673666691. The next prime is 673666739. The reversal of 673666707 is 707666376.

It is not a de Polignac number, because 673666707 - 2⁴ = 673666691 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673666787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40519 + ... + 54672.

It is an arithmetic number, because the mean of its divisors is an integer number (64349792).

Almost surely, 2^673666707 is an apocalyptic number.

673666707 is a deficient number, since it is larger than the sum of its proper divisors (355929965).

673666707 is a wasteful number, since it uses less digits than its factorization.

673666707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95538.

The product of its (nonzero) digits is 1333584, while the sum is 48.

The square root of 673666707 is about 25955.0901944108. The cubic root of 673666707 is about 876.6273744881.

The spelling of 673666707 in words is "six hundred seventy-three million, six hundred sixty-six thousand, seven hundred seven".