705058405 has 4 divisors (see below), whose sum is σ = 846070092. Its totient is φ = 564046720.

The previous prime is 705058397. The next prime is 705058433. The reversal of 705058405 is 504850507.

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

It can be written as a sum of positive squares in 2 ways, for example, as 124344801 + 580713604 = 11151^2 + 24098^2 .

It is not a de Polignac number, because 705058405 - 2³ = 705058397 is a prime.

It is a super-2 number, since 2×705058405² = 994214708922288050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70505836 + ... + 70505845.

It is an arithmetic number, because the mean of its divisors is an integer number (211517523).

Almost surely, 2^705058405 is an apocalyptic number.

It is an amenable number.

705058405 is a deficient number, since it is larger than the sum of its proper divisors (141011687).

705058405 is a wasteful number, since it uses less digits than its factorization.

705058405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141011686.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 705058405 is about 26552.9359017040. The cubic root of 705058405 is about 890.0376220262.

The spelling of 705058405 in words is "seven hundred five million, fifty-eight thousand, four hundred five".