6856707 has 24 divisors (see below), whose sum is σ = 10829392. Its totient is φ = 3833280.

The previous prime is 6856697. The next prime is 6856723. The reversal of 6856707 is 7076586.

It is not a de Polignac number, because 6856707 - 2⁶ = 6856643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6856757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3993 + ... + 5445.

Almost surely, 2^6856707 is an apocalyptic number.

6856707 is a deficient number, since it is larger than the sum of its proper divisors (3972685).

6856707 is a wasteful number, since it uses less digits than its factorization.

6856707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 6856707 is about 2618.5314586615. The cubic root of 6856707 is about 189.9788249717.

The spelling of 6856707 in words is "six million, eight hundred fifty-six thousand, seven hundred seven".