706971197 has 4 divisors (see below), whose sum is σ = 748557756. Its totient is φ = 665384640.

The previous prime is 706971191. The next prime is 706971229. The reversal of 706971197 is 791179607.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 481100356 + 225870841 = 21934^2 + 15029^2 .

It is a cyclic number.

It is not a de Polignac number, because 706971197 - 2¹⁴ = 706954813 is a prime.

It is a super-2 number, since 2×706971197² = 999616546775225618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706971191) 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, 20793254 + ... + 20793287.

It is an arithmetic number, because the mean of its divisors is an integer number (187139439).

Almost surely, 2^706971197 is an apocalyptic number.

It is an amenable number.

706971197 is a deficient number, since it is larger than the sum of its proper divisors (41586559).

706971197 is a wasteful number, since it uses less digits than its factorization.

706971197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41586558.

The product of its (nonzero) digits is 166698, while the sum is 47.

The square root of 706971197 is about 26588.9299709484. The cubic root of 706971197 is about 890.8417727103.

The spelling of 706971197 in words is "seven hundred six million, nine hundred seventy-one thousand, one hundred ninety-seven".