705672385 has 16 divisors (see below), whose sum is σ = 936449280. Its totient is φ = 506183040.

The previous prime is 705672343. The next prime is 705672419. The reversal of 705672385 is 583276507.

It is not a de Polignac number, because 705672385 - 2⁹ = 705671873 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83865 + ... + 91894.

It is an arithmetic number, because the mean of its divisors is an integer number (58528080).

Almost surely, 2^705672385 is an apocalyptic number.

It is an amenable number.

705672385 is a deficient number, since it is larger than the sum of its proper divisors (230776895).

705672385 is a wasteful number, since it uses less digits than its factorization.

705672385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175848.

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 705672385 is about 26564.4948192131. The cubic root of 705672385 is about 890.2959016937.

The spelling of 705672385 in words is "seven hundred five million, six hundred seventy-two thousand, three hundred eighty-five".