1706322049 has 4 divisors (see below), whose sum is σ = 1706493780. Its totient is φ = 1706150320.

The previous prime is 1706322047. The next prime is 1706322083. The reversal of 1706322049 is 9402236071.

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 213890625 + 1492431424 = 14625^2 + 38632^2 .

It is a cyclic number.

It is not a de Polignac number, because 1706322049 - 2¹ = 1706322047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1706322041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69982 + ... + 91159.

It is an arithmetic number, because the mean of its divisors is an integer number (426623445).

Almost surely, 2^1706322049 is an apocalyptic number.

It is an amenable number.

1706322049 is a deficient number, since it is larger than the sum of its proper divisors (171731).

1706322049 is a wasteful number, since it uses less digits than its factorization.

1706322049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171730.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1706322049 is about 41307.6512162093. The cubic root of 1706322049 is about 1194.9608243315.

The spelling of 1706322049 in words is "one billion, seven hundred six million, three hundred twenty-two thousand, forty-nine".