6870005 has 8 divisors (see below), whose sum is σ = 8280792. Its totient is φ = 5471488.

The previous prime is 6869987. The next prime is 6870011. The reversal of 6870005 is 5000786.

It can be written as a sum of positive squares in 4 ways, for example, as 1100401 + 5769604 = 1049^2 + 2402^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6870005 - 2⁸ = 6869749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1784 + ... + 4113.

It is an arithmetic number, because the mean of its divisors is an integer number (1035099).

Almost surely, 2^6870005 is an apocalyptic number.

It is an amenable number.

6870005 is a deficient number, since it is larger than the sum of its proper divisors (1410787).

6870005 is a wasteful number, since it uses less digits than its factorization.

6870005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6135.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 6870005 is about 2621.0694382255. The cubic root of 6870005 is about 190.1015615840.

The spelling of 6870005 in words is "six million, eight hundred seventy thousand, five".