706422169 has 4 divisors (see below), whose sum is σ = 723652020. Its totient is φ = 689192320.

The previous prime is 706422149. The next prime is 706422217. The reversal of 706422169 is 961224607.

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 268566544 + 437855625 = 16388^2 + 20925^2 .

It is a cyclic number.

It is not a de Polignac number, because 706422169 - 2¹⁷ = 706291097 is a prime.

It is a super-2 number, since 2×706422169² = 998064561709329122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (706422139) 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, 8614864 + ... + 8614945.

It is an arithmetic number, because the mean of its divisors is an integer number (180913005).

Almost surely, 2^706422169 is an apocalyptic number.

It is an amenable number.

706422169 is a deficient number, since it is larger than the sum of its proper divisors (17229851).

706422169 is a wasteful number, since it uses less digits than its factorization.

706422169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17229850.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 706422169 is about 26578.6035938685. The cubic root of 706422169 is about 890.6111061979.

The spelling of 706422169 in words is "seven hundred six million, four hundred twenty-two thousand, one hundred sixty-nine".