6857470 has 8 divisors (see below), whose sum is σ = 12343464. Its totient is φ = 2742984.

The previous prime is 6857467. The next prime is 6857471. The reversal of 6857470 is 747586.

It is a happy number.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6857471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342864 + ... + 342883.

It is an arithmetic number, because the mean of its divisors is an integer number (1542933).

Almost surely, 2^6857470 is an apocalyptic number.

6857470 is a deficient number, since it is larger than the sum of its proper divisors (5485994).

6857470 is a wasteful number, since it uses less digits than its factorization.

6857470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685754.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 6857470 is about 2618.6771469580. The cubic root of 6857470 is about 189.9858715256.

It can be divided in two parts, 68574 and 70, that added together give a square (68644 = 262²).

The spelling of 6857470 in words is "six million, eight hundred fifty-seven thousand, four hundred seventy".