705479 has 8 divisors (see below), whose sum is σ = 756960. Its totient is φ = 655776.

The previous prime is 705461. The next prime is 705491. The reversal of 705479 is 974507.

705479 = 18² + 19² + ... + 128².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 705479 - 2¹² = 701383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705409) 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 7 ways as a sum of consecutive naturals, for example, 437 + ... + 1265.

It is an arithmetic number, because the mean of its divisors is an integer number (94620).

2⁷⁰⁵⁴⁷⁹ is an apocalyptic number.

705479 is a deficient number, since it is larger than the sum of its proper divisors (51481).

705479 is a wasteful number, since it uses less digits than its factorization.

705479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 705479 is about 839.9279731025. The cubic root of 705479 is about 89.0214567633.

The spelling of 705479 in words is "seven hundred five thousand, four hundred seventy-nine".