705668216 has 32 divisors (see below), whose sum is σ = 1450926000. Its totient is φ = 319088640.

The previous prime is 705668213. The next prime is 705668233. The reversal of 705668216 is 612866507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705668213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3791 + ... + 37758.

Almost surely, 2^705668216 is an apocalyptic number.

It is an amenable number.

705668216 is an abundant number, since it is smaller than the sum of its proper divisors (745257784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

705668216 is a wasteful number, since it uses less digits than its factorization.

705668216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41759 (or 41755 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 705668216 is about 26564.4163496961. The cubic root of 705668216 is about 890.2941484481.

The spelling of 705668216 in words is "seven hundred five million, six hundred sixty-eight thousand, two hundred sixteen".