6877720 has 32 divisors (see below), whose sum is σ = 15598800. Its totient is φ = 2729088.

The previous prime is 6877711. The next prime is 6877723. The reversal of 6877720 is 277786.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6877720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6877723) 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, 4942 + ... + 6178.

Almost surely, 2^6877720 is an apocalyptic number.

It is an amenable number.

6877720 is an abundant number, since it is smaller than the sum of its proper divisors (8721080).

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

6877720 is a wasteful number, since it uses less digits than its factorization.

6877720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387 (or 1383 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 6877720 is about 2622.5407527815. The cubic root of 6877720 is about 190.1726961698.

The spelling of 6877720 in words is "six million, eight hundred seventy-seven thousand, seven hundred twenty".