6737987 has 2 divisors, whose sum is σ = 6737988. Its totient is φ = 6737986.

The previous prime is 6737963. The next prime is 6738007. The reversal of 6737987 is 7897376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6737987 - 2¹² = 6733891 is a prime.

It is not a weakly prime, because it can be changed into another prime (6736987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3368993 + 3368994.

It is an arithmetic number, because the mean of its divisors is an integer number (3368994).

Almost surely, 2^6737987 is an apocalyptic number.

6737987 is a deficient number, since it is larger than the sum of its proper divisors (1).

6737987 is an equidigital number, since it uses as much as digits as its factorization.

6737987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 444528, while the sum is 47.

The square root of 6737987 is about 2595.7632788835. The cubic root of 6737987 is about 188.8759766004.

The spelling of 6737987 in words is "six million, seven hundred thirty-seven thousand, nine hundred eighty-seven".