679271 has 4 divisors (see below), whose sum is σ = 695112. Its totient is φ = 663432.

The previous prime is 679249. The next prime is 679277. The reversal of 679271 is 172976.

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 679271 - 2⁶ = 679207 is a prime.

It is a super-2 number, since 2×679271² = 922818182882, 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 (679277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7856 + ... + 7941.

It is an arithmetic number, because the mean of its divisors is an integer number (173778).

2⁶⁷⁹²⁷¹ is an apocalyptic number.

679271 is a deficient number, since it is larger than the sum of its proper divisors (15841).

679271 is a wasteful number, since it uses less digits than its factorization.

679271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15840.

The product of its digits is 5292, while the sum is 32.

The square root of 679271 is about 824.1789854152. The cubic root of 679271 is about 87.9051578066.

The spelling of 679271 in words is "six hundred seventy-nine thousand, two hundred seventy-one".