673279 has 8 divisors (see below), whose sum is σ = 713952. Its totient is φ = 633600.

The previous prime is 673273. The next prime is 673291. The reversal of 673279 is 972376.

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 673279 - 2³ = 673271 is a prime.

It is a super-2 number, since 2×673279² = 906609223682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673271) 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 7 ways as a sum of consecutive naturals, for example, 1479 + ... + 1879.

It is an arithmetic number, because the mean of its divisors is an integer number (89244).

673279 is a Friedman number, since it can be written as 73*(96^2+7), using all its digits and the basic arithmetic operations.

2⁶⁷³²⁷⁹ is an apocalyptic number.

673279 is a deficient number, since it is larger than the sum of its proper divisors (40673).

673279 is a wasteful number, since it uses less digits than its factorization.

673279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497.

The product of its digits is 15876, while the sum is 34.

The square root of 673279 is about 820.5358005596. The cubic root of 673279 is about 87.6459170742.

The spelling of 673279 in words is "six hundred seventy-three thousand, two hundred seventy-nine".