6973257 has 4 divisors (see below), whose sum is σ = 9297680. Its totient is φ = 4648836.

The previous prime is 6973231. The next prime is 6973259. The reversal of 6973257 is 7523796.

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 not a de Polignac number, because 6973257 - 2⁶ = 6973193 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6973259) 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, 1162207 + ... + 1162212.

It is an arithmetic number, because the mean of its divisors is an integer number (2324420).

Almost surely, 2^6973257 is an apocalyptic number.

It is an amenable number.

6973257 is a deficient number, since it is larger than the sum of its proper divisors (2324423).

6973257 is a wasteful number, since it uses less digits than its factorization.

6973257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324422.

The product of its digits is 79380, while the sum is 39.

The square root of 6973257 is about 2640.6925228053. The cubic root of 6973257 is about 191.0492001576.

The spelling of 6973257 in words is "six million, nine hundred seventy-three thousand, two hundred fifty-seven".