6989743 has 2 divisors, whose sum is σ = 6989744. Its totient is φ = 6989742.

The previous prime is 6989729. The next prime is 6989761. The reversal of 6989743 is 3479896.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6989743 - 2¹³ = 6981551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6989693 and 6989702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6989713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3494871 + 3494872.

It is an arithmetic number, because the mean of its divisors is an integer number (3494872).

Almost surely, 2^6989743 is an apocalyptic number.

6989743 is a deficient number, since it is larger than the sum of its proper divisors (1).

6989743 is an equidigital number, since it uses as much as digits as its factorization.

6989743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 46.

The square root of 6989743 is about 2643.8122096700. The cubic root of 6989743 is about 191.1996395802.

The spelling of 6989743 in words is "six million, nine hundred eighty-nine thousand, seven hundred forty-three".