6706445761 has 4 divisors (see below), whose sum is σ = 6707199024. Its totient is φ = 6705692500.

The previous prime is 6706445749. The next prime is 6706445797. The reversal of 6706445761 is 1675446076.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6706445761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6706440761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363115 + ... + 381136.

It is an arithmetic number, because the mean of its divisors is an integer number (1676799756).

Almost surely, 2^6706445761 is an apocalyptic number.

It is an amenable number.

6706445761 is a deficient number, since it is larger than the sum of its proper divisors (753263).

6706445761 is an equidigital number, since it uses as much as digits as its factorization.

6706445761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753262.

The product of its (nonzero) digits is 846720, while the sum is 46.

The square root of 6706445761 is about 81892.8920053505. The cubic root of 6706445761 is about 1885.8079930758.

The spelling of 6706445761 in words is "six billion, seven hundred six million, four hundred forty-five thousand, seven hundred sixty-one".