705867 has 4 divisors (see below), whose sum is σ = 941160. Its totient is φ = 470576.

The previous prime is 705863. The next prime is 705871. The reversal of 705867 is 768507.

705867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 768507 = 3 ⋅256169.

It is an interprime number because it is at equal distance from previous prime (705863) and next prime (705871).

It is a cyclic number.

It is not a de Polignac number, because 705867 - 2² = 705863 is a prime.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 705867.

It is not an unprimeable number, because it can be changed into a prime (705863) 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, 117642 + ... + 117647.

It is an arithmetic number, because the mean of its divisors is an integer number (235290).

2⁷⁰⁵⁸⁶⁷ is an apocalyptic number.

705867 is a deficient number, since it is larger than the sum of its proper divisors (235293).

705867 is a wasteful number, since it uses less digits than its factorization.

705867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235292.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 705867 is about 840.1589135396. The cubic root of 705867 is about 89.0377738069.

The spelling of 705867 in words is "seven hundred five thousand, eight hundred sixty-seven".