706503845 has 6 divisors (see below), whose sum is σ = 847875942. Its totient is φ = 565155528.

The previous prime is 706503839. The next prime is 706503851. The reversal of 706503845 is 548305607.

It is an interprime number because it is at equal distance from previous prime (706503839) and next prime (706503851).

It can be written as a sum of positive squares in only one way, i.e., 565203076 + 141300769 = 23774^2 + 11887^2 .

It is not a de Polignac number, because 706503845 - 2¹² = 706499749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 706503799 and 706503808.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 53492 + ... + 65378.

It is an arithmetic number, because the mean of its divisors is an integer number (141312657).

Almost surely, 2^706503845 is an apocalyptic number.

It is an amenable number.

706503845 is a deficient number, since it is larger than the sum of its proper divisors (141372097).

706503845 is an frugal number, since it uses more digits than its factorization.

706503845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23779 (or 11892 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 706503845 is about 26580.1400485400. The cubic root of 706503845 is about 890.6454288040.

The spelling of 706503845 in words is "seven hundred six million, five hundred three thousand, eight hundred forty-five".