6890071 has 4 divisors (see below), whose sum is σ = 6930072. Its totient is φ = 6850072.

The previous prime is 6890063. The next prime is 6890077. The reversal of 6890071 is 1700986.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6890071 - 2³ = 6890063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6890077) 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 in 3 ways as a sum of consecutive naturals, for example, 19741 + ... + 20086.

It is an arithmetic number, because the mean of its divisors is an integer number (1732518).

Almost surely, 2^6890071 is an apocalyptic number.

6890071 is a deficient number, since it is larger than the sum of its proper divisors (40001).

6890071 is a wasteful number, since it uses less digits than its factorization.

6890071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40000.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 6890071 is about 2624.8944740694. The cubic root of 6890071 is about 190.2864653824.

The spelling of 6890071 in words is "six million, eight hundred ninety thousand, seventy-one".