2006247705 has 64 divisors (see below), whose sum is σ = 4013826048. Its totient is φ = 831317760.

The previous prime is 2006247679. The next prime is 2006247751. The reversal of 2006247705 is 5077426002.

It is not a de Polignac number, because 2006247705 - 2⁶ = 2006247641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 421519 + ... + 426251.

It is an arithmetic number, because the mean of its divisors is an integer number (62716032).

Almost surely, 2^2006247705 is an apocalyptic number.

It is an amenable number.

2006247705 is an abundant number, since it is smaller than the sum of its proper divisors (2007578343).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2006247705 is a wasteful number, since it uses less digits than its factorization.

2006247705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5126.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 2006247705 is about 44791.1565490332. The cubic root of 2006247705 is about 1261.2316220033.

The spelling of 2006247705 in words is "two billion, six million, two hundred forty-seven thousand, seven hundred five".