7006689 has 8 divisors (see below), whose sum is σ = 10380320. Its totient is φ = 4671108.

The previous prime is 7006679. The next prime is 7006693. The reversal of 7006689 is 9866007.

It is not a de Polignac number, because 7006689 - 2⁷ = 7006561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7006639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129727 + ... + 129780.

It is an arithmetic number, because the mean of its divisors is an integer number (1297540).

Almost surely, 2^7006689 is an apocalyptic number.

It is an amenable number.

7006689 is a deficient number, since it is larger than the sum of its proper divisors (3373631).

7006689 is a wasteful number, since it uses less digits than its factorization.

7006689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259516 (or 259510 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 7006689 is about 2647.0151114038. The cubic root of 7006689 is about 191.3540302922.

The spelling of 7006689 in words is "seven million, six thousand, six hundred eighty-nine".