6972857 has 4 divisors (see below), whose sum is σ = 6992640. Its totient is φ = 6953076.

The previous prime is 6972851. The next prime is 6972859. The reversal of 6972857 is 7582796.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6972857 - 2⁶ = 6972793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6972851) 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, 9353 + ... + 10070.

It is an arithmetic number, because the mean of its divisors is an integer number (1748160).

Almost surely, 2^6972857 is an apocalyptic number.

It is an amenable number.

6972857 is a deficient number, since it is larger than the sum of its proper divisors (19783).

6972857 is a wasteful number, since it uses less digits than its factorization.

6972857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19782.

The product of its digits is 211680, while the sum is 44.

The square root of 6972857 is about 2640.6167840109. The cubic root of 6972857 is about 191.0455470994.

The spelling of 6972857 in words is "six million, nine hundred seventy-two thousand, eight hundred fifty-seven".