706447 has 8 divisors (see below), whose sum is σ = 826496. Its totient is φ = 591192.

The previous prime is 706427. The next prime is 706463. The reversal of 706447 is 744607.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 706447 - 2¹¹ = 704399 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 (706417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873 + ... + 1474.

It is an arithmetic number, because the mean of its divisors is an integer number (103312).

2⁷⁰⁶⁴⁴⁷ is an apocalyptic number.

706447 is a deficient number, since it is larger than the sum of its proper divisors (120049).

706447 is a wasteful number, since it uses less digits than its factorization.

706447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 706447 is about 840.5040154574. The cubic root of 706447 is about 89.0621541179.

The spelling of 706447 in words is "seven hundred six thousand, four hundred forty-seven".