705199 has 4 divisors (see below), whose sum is σ = 769320. Its totient is φ = 641080.

The previous prime is 705197. The next prime is 705209. The reversal of 705199 is 991507.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 705199 - 2¹ = 705197 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 705199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705191) 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 3 ways as a sum of consecutive naturals, for example, 32044 + ... + 32065.

It is an arithmetic number, because the mean of its divisors is an integer number (192330).

2⁷⁰⁵¹⁹⁹ is an apocalyptic number.

705199 is a deficient number, since it is larger than the sum of its proper divisors (64121).

705199 is a wasteful number, since it uses less digits than its factorization.

705199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64120.

The product of its (nonzero) digits is 2835, while the sum is 31.

The square root of 705199 is about 839.7612756016. The cubic root of 705199 is about 89.0096778602.

The spelling of 705199 in words is "seven hundred five thousand, one hundred ninety-nine".