6971449 has 4 divisors (see below), whose sum is σ = 6994036. Its totient is φ = 6948864.

The previous prime is 6971441. The next prime is 6971453. The reversal of 6971449 is 9441796.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28224 + 6943225 = 168^2 + 2635^2 .

It is a cyclic number.

It is not a de Polignac number, because 6971449 - 2³ = 6971441 is a prime.

It is a super-2 number, since 2×6971449² = 97202202319202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6971441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10824 + ... + 11449.

It is an arithmetic number, because the mean of its divisors is an integer number (1748509).

Almost surely, 2^6971449 is an apocalyptic number.

It is an amenable number.

6971449 is a deficient number, since it is larger than the sum of its proper divisors (22587).

6971449 is a wasteful number, since it uses less digits than its factorization.

6971449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22586.

The product of its digits is 54432, while the sum is 40.

The square root of 6971449 is about 2640.3501661711. The cubic root of 6971449 is about 191.0326872229.

The spelling of 6971449 in words is "six million, nine hundred seventy-one thousand, four hundred forty-nine".