6807870 has 48 divisors (see below), whose sum is σ = 17980560. Its totient is φ = 1786752.

The previous prime is 6807869. The next prime is 6807883. The reversal of 6807870 is 787086.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5466 + ... + 6594.

It is an arithmetic number, because the mean of its divisors is an integer number (374595).

Almost surely, 2^6807870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6807870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8990280).

6807870 is an abundant number, since it is smaller than the sum of its proper divisors (11172690).

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

6807870 is a wasteful number, since it uses less digits than its factorization.

6807870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209 (or 1206 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 6807870 is about 2609.1895293366. The cubic root of 6807870 is about 189.5267075044.

The spelling of 6807870 in words is "six million, eight hundred seven thousand, eight hundred seventy".