6780172 has 24 divisors (see below), whose sum is σ = 13615616. Its totient is φ = 2893968.

The previous prime is 6780157. The next prime is 6780217. The reversal of 6780172 is 2710876.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12703 + ... + 13225.

Almost surely, 2^6780172 is an apocalyptic number.

It is an amenable number.

6780172 is an abundant number, since it is smaller than the sum of its proper divisors (6835444).

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

6780172 is a wasteful number, since it uses less digits than its factorization.

6780172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997 (or 995 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 6780172 is about 2603.8763411499. The cubic root of 6780172 is about 189.2693266526.

Adding to 6780172 its product of nonzero digits (4704), we get a palindrome (6784876).

The spelling of 6780172 in words is "six million, seven hundred eighty thousand, one hundred seventy-two".