705087 has 12 divisors (see below), whose sum is σ = 1027000. Its totient is φ = 466128.

The previous prime is 705079. The next prime is 705097. The reversal of 705087 is 780507.

It is not a de Polignac number, because 705087 - 2³ = 705079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 705087.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 705087.

It is not an unprimeable number, because it can be changed into a prime (705017) 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 11 ways as a sum of consecutive naturals, for example, 1164 + ... + 1662.

2⁷⁰⁵⁰⁸⁷ is an apocalyptic number.

705087 is a deficient number, since it is larger than the sum of its proper divisors (321913).

705087 is a wasteful number, since it uses less digits than its factorization.

705087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 705087 is about 839.6945873352. The cubic root of 705087 is about 89.0049654260.

The spelling of 705087 in words is "seven hundred five thousand, eighty-seven".