6937969 has 2 divisors, whose sum is σ = 6937970. Its totient is φ = 6937968.

The previous prime is 6937967. The next prime is 6938003. The reversal of 6937969 is 9697396.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5234944 + 1703025 = 2288^2 + 1305^2 .

It is a cyclic number.

It is not a de Polignac number, because 6937969 - 2¹ = 6937967 is a prime.

It is a super-2 number, since 2×6937969² = 96270827689922, which contains 22 as substring.

Together with 6937967, it forms a pair of twin primes.

6937969 is a lucky number.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (6937961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3468984 + 3468985.

It is an arithmetic number, because the mean of its divisors is an integer number (3468985).

Almost surely, 2^6937969 is an apocalyptic number.

It is an amenable number.

6937969 is a deficient number, since it is larger than the sum of its proper divisors (1).

6937969 is an equidigital number, since it uses as much as digits as its factorization.

6937969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 551124, while the sum is 49.

The square root of 6937969 is about 2634.0024677285. The cubic root of 6937969 is about 190.7263883830.

The spelling of 6937969 in words is "six million, nine hundred thirty-seven thousand, nine hundred sixty-nine".