673946807 has 8 divisors (see below), whose sum is σ = 690843552. Its totient is φ = 657072000.

The previous prime is 673946753. The next prime is 673946813. The reversal of 673946807 is 708649376.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 673946807 - 2⁶ = 673946743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673946857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69278 + ... + 78404.

It is an arithmetic number, because the mean of its divisors is an integer number (86355444).

Almost surely, 2^673946807 is an apocalyptic number.

673946807 is a deficient number, since it is larger than the sum of its proper divisors (16896745).

673946807 is a wasteful number, since it uses less digits than its factorization.

673946807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10969.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The square root of 673946807 is about 25960.4854923786. The cubic root of 673946807 is about 876.7488536023.

The spelling of 673946807 in words is "six hundred seventy-three million, nine hundred forty-six thousand, eight hundred seven".