6780100 has 18 divisors (see below), whose sum is σ = 14713034. Its totient is φ = 2712000.

The previous prime is 6780097. The next prime is 6780119. The reversal of 6780100 is 10876.

It can be written as a sum of positive squares in 3 ways, for example, as 399424 + 6380676 = 632^2 + 2526^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33801 + ... + 34000.

Almost surely, 2^6780100 is an apocalyptic number.

It is an amenable number.

6780100 is an abundant number, since it is smaller than the sum of its proper divisors (7932934).

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

6780100 is a wasteful number, since it uses less digits than its factorization.

6780100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67815 (or 67808 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 6780100 is about 2603.8625155718. The cubic root of 6780100 is about 189.2686566873.

Adding to 6780100 its reverse (10876), we get a palindrome (6790976).

The spelling of 6780100 in words is "six million, seven hundred eighty thousand, one hundred".