705970197 has 6 divisors (see below), whose sum is σ = 1019734742. Its totient is φ = 470646792.

The previous prime is 705970163. The next prime is 705970201. The reversal of 705970197 is 791079507.

It can be written as a sum of positive squares in only one way, i.e., 415915236 + 290054961 = 20394^2 + 17031^2 .

It is not a de Polignac number, because 705970197 - 2⁸ = 705969941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705970147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39220558 + ... + 39220575.

Almost surely, 2^705970197 is an apocalyptic number.

It is an amenable number.

705970197 is a deficient number, since it is larger than the sum of its proper divisors (313764545).

705970197 is a wasteful number, since it uses less digits than its factorization.

705970197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78441139 (or 78441136 counting only the distinct ones).

The product of its (nonzero) digits is 138915, while the sum is 45.

The square root of 705970197 is about 26570.0996799033. The cubic root of 705970197 is about 890.4211267125.

The spelling of 705970197 in words is "seven hundred five million, nine hundred seventy thousand, one hundred ninety-seven".