7989071 has 2 divisors, whose sum is σ = 7989072. Its totient is φ = 7989070.

The previous prime is 7989067. The next prime is 7989083. The reversal of 7989071 is 1709897.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7989071 - 2² = 7989067 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7989011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3994535 + 3994536.

It is an arithmetic number, because the mean of its divisors is an integer number (3994536).

Almost surely, 2^7989071 is an apocalyptic number.

7989071 is a deficient number, since it is larger than the sum of its proper divisors (1).

7989071 is an equidigital number, since it uses as much as digits as its factorization.

7989071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 41.

The square root of 7989071 is about 2826.4944719564. The cubic root of 7989071 is about 199.9088834952.

The spelling of 7989071 in words is "seven million, nine hundred eighty-nine thousand, seventy-one".