705921338 has 8 divisors (see below), whose sum is σ = 1059179220. Its totient is φ = 352861600.

The previous prime is 705921331. The next prime is 705921343. The reversal of 705921338 is 833129507.

It can be written as a sum of positive squares in 2 ways, for example, as 639938209 + 65983129 = 25297^2 + 8123^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (705921331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40283 + ... + 55086.

Almost surely, 2^705921338 is an apocalyptic number.

705921338 is a deficient number, since it is larger than the sum of its proper divisors (353257882).

705921338 is a wasteful number, since it uses less digits than its factorization.

705921338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99072.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 705921338 is about 26569.1802282268. The cubic root of 705921338 is about 890.4005847266.

The spelling of 705921338 in words is "seven hundred five million, nine hundred twenty-one thousand, three hundred thirty-eight".