6619071 has 4 divisors (see below), whose sum is σ = 8825432. Its totient is φ = 4412712.

The previous prime is 6619051. The next prime is 6619073. The reversal of 6619071 is 1709166.

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

It is not a de Polignac number, because 6619071 - 2¹⁰ = 6618047 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6619073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1103176 + ... + 1103181.

It is an arithmetic number, because the mean of its divisors is an integer number (2206358).

Almost surely, 2^6619071 is an apocalyptic number.

6619071 is a deficient number, since it is larger than the sum of its proper divisors (2206361).

6619071 is a wasteful number, since it uses less digits than its factorization.

6619071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206360.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 6619071 is about 2572.7555266679. The cubic root of 6619071 is about 187.7582432700.

The spelling of 6619071 in words is "six million, six hundred nineteen thousand, seventy-one".