6856972 has 12 divisors (see below), whose sum is σ = 12110560. Its totient is φ = 3396816.

The previous prime is 6856937. The next prime is 6856973. The reversal of 6856972 is 2796586.

It is not an unprimeable number, because it can be changed into a prime (6856973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7428 + ... + 8299.

Almost surely, 2^6856972 is an apocalyptic number.

It is an amenable number.

6856972 is a deficient number, since it is larger than the sum of its proper divisors (5253588).

6856972 is a wasteful number, since it uses less digits than its factorization.

6856972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15840 (or 15838 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 6856972 is about 2618.5820590541. The cubic root of 6856972 is about 189.9812723924.

The spelling of 6856972 in words is "six million, eight hundred fifty-six thousand, nine hundred seventy-two".