6971379 has 4 divisors (see below), whose sum is σ = 9295176. Its totient is φ = 4647584.

The previous prime is 6971357. The next prime is 6971383. The reversal of 6971379 is 9731796.

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

It is a cyclic number.

It is not a de Polignac number, because 6971379 - 2⁸ = 6971123 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 6971379.

It is not an unprimeable number, because it can be changed into a prime (6971389) 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, 1161894 + ... + 1161899.

It is an arithmetic number, because the mean of its divisors is an integer number (2323794).

Almost surely, 2^6971379 is an apocalyptic number.

6971379 is a deficient number, since it is larger than the sum of its proper divisors (2323797).

6971379 is a wasteful number, since it uses less digits than its factorization.

6971379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323796.

The product of its digits is 71442, while the sum is 42.

The square root of 6971379 is about 2640.3369103203. The cubic root of 6971379 is about 191.0320478373.

The spelling of 6971379 in words is "six million, nine hundred seventy-one thousand, three hundred seventy-nine".