6671942 has 4 divisors (see below), whose sum is σ = 10007916. Its totient is φ = 3335970.

The previous prime is 6671921. The next prime is 6671947. The reversal of 6671942 is 2491766.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2491766 = 2 ⋅1245883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6671947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1667984 + ... + 1667987.

It is an arithmetic number, because the mean of its divisors is an integer number (2501979).

Almost surely, 2^6671942 is an apocalyptic number.

6671942 is a deficient number, since it is larger than the sum of its proper divisors (3335974).

6671942 is a wasteful number, since it uses less digits than its factorization.

6671942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335973.

The product of its digits is 18144, while the sum is 35.

The square root of 6671942 is about 2583.0102593679. The cubic root of 6671942 is about 188.2568354752.

The spelling of 6671942 in words is "six million, six hundred seventy-one thousand, nine hundred forty-two".