6705145 has 16 divisors (see below), whose sum is σ = 8386560. Its totient is φ = 5140800.

The previous prime is 6705143. The next prime is 6705163. The reversal of 6705145 is 5415076.

It is not a de Polignac number, because 6705145 - 2¹ = 6705143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6705143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27936 + ... + 28174.

It is an arithmetic number, because the mean of its divisors is an integer number (524160).

Almost surely, 2^6705145 is an apocalyptic number.

It is an amenable number.

6705145 is a deficient number, since it is larger than the sum of its proper divisors (1681415).

6705145 is a wasteful number, since it uses less digits than its factorization.

6705145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 6705145 is about 2589.4294738417. The cubic root of 6705145 is about 188.5686063409.

The spelling of 6705145 in words is "six million, seven hundred five thousand, one hundred forty-five".