6870845 has 8 divisors (see below), whose sum is σ = 8385120. Its totient is φ = 5403280.

The previous prime is 6870817. The next prime is 6870847. The reversal of 6870845 is 5480786.

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

It is not a de Polignac number, because 6870845 - 2⁶ = 6870781 is a prime.

It is a super-2 number, since 2×6870845² = 94417022028050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6870799 and 6870808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6870847) 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, 11351 + ... + 11940.

It is an arithmetic number, because the mean of its divisors is an integer number (1048140).

Almost surely, 2^6870845 is an apocalyptic number.

It is an amenable number.

6870845 is a deficient number, since it is larger than the sum of its proper divisors (1514275).

6870845 is a wasteful number, since it uses less digits than its factorization.

6870845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23355.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 6870845 is about 2621.2296732641. The cubic root of 6870845 is about 190.1093092156.

The spelling of 6870845 in words is "six million, eight hundred seventy thousand, eight hundred forty-five".