6947172 has 18 divisors (see below), whose sum is σ = 17560998. Its totient is φ = 2315712.

The previous prime is 6947167. The next prime is 6947177. The reversal of 6947172 is 2717496.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6947167) and next prime (6947177).

It can be written as a sum of positive squares in only one way, i.e., 6937956 + 9216 = 2634^2 + 96^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 192977 = 6947172 / (6 + 9 + 4 + 7 + 1 + 7 + 2).

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (6947177) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96453 + ... + 96524.

It is an arithmetic number, because the mean of its divisors is an integer number (975611).

Almost surely, 2^6947172 is an apocalyptic number.

It is an amenable number.

6947172 is an abundant number, since it is smaller than the sum of its proper divisors (10613826).

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

6947172 is a wasteful number, since it uses less digits than its factorization.

6947172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192987 (or 192982 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 6947172 is about 2635.7488499476. The cubic root of 6947172 is about 190.8106819963.

The spelling of 6947172 in words is "six million, nine hundred forty-seven thousand, one hundred seventy-two".