679734273 has 16 divisors (see below), whose sum is σ = 961329600. Its totient is φ = 425742336.

The previous prime is 679734271. The next prime is 679734281. The reversal of 679734273 is 372437976.

It is a happy number.

It is not a de Polignac number, because 679734273 - 2¹ = 679734271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (679734271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17878 + ... + 40976.

It is an arithmetic number, because the mean of its divisors is an integer number (60083100).

Almost surely, 2^679734273 is an apocalyptic number.

It is an amenable number.

679734273 is a deficient number, since it is larger than the sum of its proper divisors (281595327).

679734273 is a wasteful number, since it uses less digits than its factorization.

679734273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23696.

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

The square root of 679734273 is about 26071.7140403158. The cubic root of 679734273 is about 879.2513747670.

The spelling of 679734273 in words is "six hundred seventy-nine million, seven hundred thirty-four thousand, two hundred seventy-three".