705520079 has 4 divisors (see below), whose sum is σ = 769658280. Its totient is φ = 641381880.

The previous prime is 705520063. The next prime is 705520093. The reversal of 705520079 is 970025507.

705520079 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.

It is a cyclic number.

It is not a de Polignac number, because 705520079 - 2⁴ = 705520063 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 (705528079) 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, 32069084 + ... + 32069105.

It is an arithmetic number, because the mean of its divisors is an integer number (192414570).

Almost surely, 2^705520079 is an apocalyptic number.

705520079 is a deficient number, since it is larger than the sum of its proper divisors (64138201).

705520079 is a wasteful number, since it uses less digits than its factorization.

705520079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64138200.

The product of its (nonzero) digits is 22050, while the sum is 35.

The square root of 705520079 is about 26561.6279433321. The cubic root of 705520079 is about 890.2318459236.

The spelling of 705520079 in words is "seven hundred five million, five hundred twenty thousand, seventy-nine".