6737891 has 2 divisors, whose sum is σ = 6737892. Its totient is φ = 6737890.

The previous prime is 6737849. The next prime is 6737893. The reversal of 6737891 is 1987376.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6737891 is a prime.

Together with 6737893, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6737893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3368945 + 3368946.

It is an arithmetic number, because the mean of its divisors is an integer number (3368946).

Almost surely, 2^6737891 is an apocalyptic number.

6737891 is a deficient number, since it is larger than the sum of its proper divisors (1).

6737891 is an equidigital number, since it uses as much as digits as its factorization.

6737891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 41.

The square root of 6737891 is about 2595.7447871468. The cubic root of 6737891 is about 188.8750795877.

The spelling of 6737891 in words is "six million, seven hundred thirty-seven thousand, eight hundred ninety-one".