6942457 has 4 divisors (see below), whose sum is σ = 6950736. Its totient is φ = 6934180.

The previous prime is 6942433. The next prime is 6942469. The reversal of 6942457 is 7542496.

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 6942457 - 2⁷ = 6942329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6942497) 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, 2719 + ... + 4612.

It is an arithmetic number, because the mean of its divisors is an integer number (1737684).

Almost surely, 2^6942457 is an apocalyptic number.

It is an amenable number.

6942457 is a deficient number, since it is larger than the sum of its proper divisors (8279).

6942457 is an equidigital number, since it uses as much as digits as its factorization.

6942457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8278.

The product of its digits is 60480, while the sum is 37.

The square root of 6942457 is about 2634.8542654196. The cubic root of 6942457 is about 190.7675049080.

The spelling of 6942457 in words is "six million, nine hundred forty-two thousand, four hundred fifty-seven".