6871057 has 8 divisors (see below), whose sum is σ = 7338240. Its totient is φ = 6419280.

The previous prime is 6871049. The next prime is 6871061. The reversal of 6871057 is 7501786.

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

It is a cyclic number.

It is not a de Polignac number, because 6871057 - 2³ = 6871049 is a prime.

It is a super-2 number, since 2×6871057² = 94422848594498, which contains 22 as substring.

It is a Duffinian number.

6871057 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6871037) 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, 2923 + ... + 4720.

It is an arithmetic number, because the mean of its divisors is an integer number (917280).

Almost surely, 2^6871057 is an apocalyptic number.

It is an amenable number.

6871057 is a deficient number, since it is larger than the sum of its proper divisors (467183).

6871057 is a wasteful number, since it uses less digits than its factorization.

6871057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7703.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 6871057 is about 2621.2701119877. The cubic root of 6871057 is about 190.1112644704. Note that the first 3 decimals are identical.

The spelling of 6871057 in words is "six million, eight hundred seventy-one thousand, fifty-seven".