6942247 has 4 divisors (see below), whose sum is σ = 7476280. Its totient is φ = 6408216.

The previous prime is 6942241. The next prime is 6942263. The reversal of 6942247 is 7422496.

6942247 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6942247 - 2⁷ = 6942119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6942241) 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, 266997 + ... + 267022.

It is an arithmetic number, because the mean of its divisors is an integer number (1869070).

Almost surely, 2^6942247 is an apocalyptic number.

6942247 is a deficient number, since it is larger than the sum of its proper divisors (534033).

6942247 is a wasteful number, since it uses less digits than its factorization.

6942247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534032.

The product of its digits is 24192, while the sum is 34.

The square root of 6942247 is about 2634.8144147169. The cubic root of 6942247 is about 190.7655814016.

Subtracting 6942247 from its reverse (7422496), we obtain a square (480249 = 693²).

The spelling of 6942247 in words is "six million, nine hundred forty-two thousand, two hundred forty-seven".