6997769 has 4 divisors (see below), whose sum is σ = 7009296. Its totient is φ = 6986244.

The previous prime is 6997747. The next prime is 6997789. The reversal of 6997769 is 9677996.

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 6997769 - 2⁸ = 6997513 is a prime.

It is a super-2 number, since 2×6997769² = 97937541954722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6997769.

It is not an unprimeable number, because it can be changed into a prime (6997789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4799 + ... + 6084.

It is an arithmetic number, because the mean of its divisors is an integer number (1752324).

Almost surely, 2^6997769 is an apocalyptic number.

It is an amenable number.

6997769 is a deficient number, since it is larger than the sum of its proper divisors (11527).

6997769 is a wasteful number, since it uses less digits than its factorization.

6997769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11526.

The product of its digits is 1285956, while the sum is 53.

The square root of 6997769 is about 2645.3296580956. The cubic root of 6997769 is about 191.2727935013.

The spelling of 6997769 in words is "six million, nine hundred ninety-seven thousand, seven hundred sixty-nine".