6871749 has 8 divisors (see below), whose sum is σ = 9644640. Its totient is φ = 4340016.

The previous prime is 6871717. The next prime is 6871759. The reversal of 6871749 is 9471786.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6871749 - 2⁵ = 6871717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6871749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6871759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60222 + ... + 60335.

It is an arithmetic number, because the mean of its divisors is an integer number (1205580).

Almost surely, 2^6871749 is an apocalyptic number.

It is an amenable number.

6871749 is a deficient number, since it is larger than the sum of its proper divisors (2772891).

6871749 is a wasteful number, since it uses less digits than its factorization.

6871749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120579.

The product of its digits is 84672, while the sum is 42.

The square root of 6871749 is about 2621.4021057442. The cubic root of 6871749 is about 190.1176464375.

It can be divided in two parts, 68 and 71749, that added together give a palindrome (71817).

The spelling of 6871749 in words is "six million, eight hundred seventy-one thousand, seven hundred forty-nine".