6780173 has 4 divisors (see below), whose sum is σ = 6924480. Its totient is φ = 6635868.

The previous prime is 6780157. The next prime is 6780217. The reversal of 6780173 is 3710876.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6780173 - 2⁴ = 6780157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6780133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72083 + ... + 72176.

It is an arithmetic number, because the mean of its divisors is an integer number (1731120).

Almost surely, 2^6780173 is an apocalyptic number.

It is an amenable number.

6780173 is a deficient number, since it is larger than the sum of its proper divisors (144307).

6780173 is a wasteful number, since it uses less digits than its factorization.

6780173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144306.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 6780173 is about 2603.8765331713. The cubic root of 6780173 is about 189.2693359576.

The spelling of 6780173 in words is "six million, seven hundred eighty thousand, one hundred seventy-three".