706448561 has 24 divisors (see below), whose sum is σ = 882581184. Its totient is φ = 553625280.

The previous prime is 706448543. The next prime is 706448563. The reversal of 706448561 is 165844607.

It is not a de Polignac number, because 706448561 - 2¹⁰ = 706447537 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706448563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123791 + ... + 129371.

It is an arithmetic number, because the mean of its divisors is an integer number (36774216).

Almost surely, 2^706448561 is an apocalyptic number.

It is an amenable number.

706448561 is a deficient number, since it is larger than the sum of its proper divisors (176132623).

706448561 is a wasteful number, since it uses less digits than its factorization.

706448561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5721 (or 5708 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 706448561 is about 26579.1000788213. The cubic root of 706448561 is about 890.6221971653.

The spelling of 706448561 in words is "seven hundred six million, four hundred forty-eight thousand, five hundred sixty-one".