9671731 has 2 divisors, whose sum is σ = 9671732. Its totient is φ = 9671730.

The previous prime is 9671687. The next prime is 9671743. The reversal of 9671731 is 1371769.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9671731 - 2¹³ = 9663539 is a prime.

It is a super-2 number, since 2×9671731² = 187084761072722, which contains 22 as substring.

9671731 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (9671771) 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 as a sum of consecutive naturals, namely, 4835865 + 4835866.

It is an arithmetic number, because the mean of its divisors is an integer number (4835866).

Almost surely, 2^9671731 is an apocalyptic number.

9671731 is a deficient number, since it is larger than the sum of its proper divisors (1).

9671731 is an equidigital number, since it uses as much as digits as its factorization.

9671731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938, while the sum is 34.

The square root of 9671731 is about 3109.9406746753. The cubic root of 9671731 is about 213.0597450454.

The spelling of 9671731 in words is "nine million, six hundred seventy-one thousand, seven hundred thirty-one".