6857725 has 24 divisors (see below), whose sum is σ = 9820800. Its totient is φ = 4653120.

The previous prime is 6857713. The next prime is 6857729. The reversal of 6857725 is 5277586.

It is not a de Polignac number, because 6857725 - 2¹¹ = 6855677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6857729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25944 + ... + 26206.

It is an arithmetic number, because the mean of its divisors is an integer number (409200).

Almost surely, 2^6857725 is an apocalyptic number.

It is an amenable number.

6857725 is a deficient number, since it is larger than the sum of its proper divisors (2963075).

6857725 is a wasteful number, since it uses less digits than its factorization.

6857725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 424 counting only the distinct ones).

The product of its digits is 117600, while the sum is 40.

The square root of 6857725 is about 2618.7258352107. The cubic root of 6857725 is about 189.9882264173.

The spelling of 6857725 in words is "six million, eight hundred fifty-seven thousand, seven hundred twenty-five".