704279 has 2 divisors, whose sum is σ = 704280. Its totient is φ = 704278.

The previous prime is 704269. The next prime is 704281. The reversal of 704279 is 972407.

It is a strong prime.

It is an emirp because it is prime and its reverse (972407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 704279 - 2⁸ = 704023 is a prime.

Together with 704281, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (704219) 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 as a sum of consecutive naturals, namely, 352139 + 352140.

It is an arithmetic number, because the mean of its divisors is an integer number (352140).

2⁷⁰⁴²⁷⁹ is an apocalyptic number.

704279 is a deficient number, since it is larger than the sum of its proper divisors (1).

704279 is an equidigital number, since it uses as much as digits as its factorization.

704279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 704279 is about 839.2133221059. The cubic root of 704279 is about 88.9709537837.

The spelling of 704279 in words is "seven hundred four thousand, two hundred seventy-nine".