6700820 has 48 divisors (see below), whose sum is σ = 16789248. Its totient is φ = 2196480.

The previous prime is 6700783. The next prime is 6700831. The reversal of 6700820 is 280076.

6700820 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2180 + ... + 4260.

It is an arithmetic number, because the mean of its divisors is an integer number (349776).

Almost surely, 2^6700820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6700820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8394624).

6700820 is an abundant number, since it is smaller than the sum of its proper divisors (10088428).

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

6700820 is a wasteful number, since it uses less digits than its factorization.

6700820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120 (or 2118 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 6700820 is about 2588.5942130817. The cubic root of 6700820 is about 188.5280536688.

Adding to 6700820 its reverse (280076), we get a palindrome (6980896).

The spelling of 6700820 in words is "six million, seven hundred thousand, eight hundred twenty".