6974181 has 20 divisors (see below), whose sum is σ = 10781100. Its totient is φ = 4487616.

The previous prime is 6974179. The next prime is 6974251. The reversal of 6974181 is 1814796.

It can be written as a sum of positive squares in 2 ways, for example, as 1285956 + 5688225 = 1134^2 + 2385^2 .

It is not a de Polignac number, because 6974181 - 2¹ = 6974179 is a prime.

It is a super-2 number, since 2×6974181² = 97278401241522, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6974171) 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 19 ways as a sum of consecutive naturals, for example, 865 + ... + 3833.

It is an arithmetic number, because the mean of its divisors is an integer number (539055).

Almost surely, 2^6974181 is an apocalyptic number.

It is an amenable number.

6974181 is a deficient number, since it is larger than the sum of its proper divisors (3806919).

6974181 is a wasteful number, since it uses less digits than its factorization.

6974181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010 (or 3001 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 6974181 is about 2640.8674711163. The cubic root of 6974181 is about 191.0576381880.

The spelling of 6974181 in words is "six million, nine hundred seventy-four thousand, one hundred eighty-one".