705413661 has 16 divisors (see below), whose sum is σ = 977260800. Its totient is φ = 452063808.

The previous prime is 705413659. The next prime is 705413677. The reversal of 705413661 is 166314507.

It is not a de Polignac number, because 705413661 - 2¹ = 705413659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705413641) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2220 + ... + 37626.

It is an arithmetic number, because the mean of its divisors is an integer number (61078800).

Almost surely, 2^705413661 is an apocalyptic number.

It is an amenable number.

705413661 is a deficient number, since it is larger than the sum of its proper divisors (271847139).

705413661 is a wasteful number, since it uses less digits than its factorization.

705413661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35668.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 705413661 is about 26559.6246396669. The cubic root of 705413661 is about 890.1870839298.

The spelling of 705413661 in words is "seven hundred five million, four hundred thirteen thousand, six hundred sixty-one".