673479707 has 4 divisors (see below), whose sum is σ = 673751280. Its totient is φ = 673208136.

The previous prime is 673479691. The next prime is 673479713. The reversal of 673479707 is 707974376.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 673479707 - 2⁴ = 673479691 is a prime.

It is a super-3 number, since 3×673479707³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673479007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132032 + ... + 137037.

It is an arithmetic number, because the mean of its divisors is an integer number (168437820).

Almost surely, 2^673479707 is an apocalyptic number.

673479707 is a deficient number, since it is larger than the sum of its proper divisors (271573).

673479707 is a wasteful number, since it uses less digits than its factorization.

673479707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271572.

The product of its (nonzero) digits is 1555848, while the sum is 50.

The square root of 673479707 is about 25951.4875681530. The cubic root of 673479707 is about 876.5462540133.

The spelling of 673479707 in words is "six hundred seventy-three million, four hundred seventy-nine thousand, seven hundred seven".