6706406445 has 32 divisors (see below), whose sum is σ = 10775901312. Its totient is φ = 3561572352.

The previous prime is 6706406393. The next prime is 6706406471. The reversal of 6706406445 is 5446046076.

It is a happy number.

It is not a de Polignac number, because 6706406445 - 2²⁷ = 6572188717 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6706406397 and 6706406406.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 6491649 + ... + 6492681.

It is an arithmetic number, because the mean of its divisors is an integer number (336746916).

Almost surely, 2^6706406445 is an apocalyptic number.

It is an amenable number.

6706406445 is a deficient number, since it is larger than the sum of its proper divisors (4069494867).

6706406445 is a wasteful number, since it uses less digits than its factorization.

6706406445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461.

The product of its (nonzero) digits is 483840, while the sum is 42.

The square root of 6706406445 is about 81892.6519597454. The cubic root of 6706406445 is about 1885.8043079359.

The spelling of 6706406445 in words is "six billion, seven hundred six million, four hundred six thousand, four hundred forty-five".