705604845 has 48 divisors (see below), whose sum is σ = 1269930816. Its totient is φ = 334118400.

The previous prime is 705604819. The next prime is 705604849. The reversal of 705604845 is 548406507.

It is not a de Polignac number, because 705604845 - 2⁷ = 705604717 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705604849) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73525 + ... + 82565.

It is an arithmetic number, because the mean of its divisors is an integer number (26456892).

Almost surely, 2^705604845 is an apocalyptic number.

It is an amenable number.

705604845 is a deficient number, since it is larger than the sum of its proper divisors (564325971).

705604845 is a wasteful number, since it uses less digits than its factorization.

705604845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9114 (or 9103 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 705604845 is about 26563.2235430868. The cubic root of 705604845 is about 890.2674973402.

It can be divided in two parts, 705 and 604845, that added together give a triangular number (605550 = T₁₁₀₀).

The spelling of 705604845 in words is "seven hundred five million, six hundred four thousand, eight hundred forty-five".