6427942 has 8 divisors (see below), whose sum is σ = 9774216. Its totient is φ = 3169872.

The previous prime is 6427931. The next prime is 6427951. The reversal of 6427942 is 2497246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 6² + 4² + 2⁹ + 7⁸ + 9⁶ + 4³ + 2¹⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 6427898 and 6427907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21868 + ... + 22159.

It is an arithmetic number, because the mean of its divisors is an integer number (1221777).

Almost surely, 2^6427942 is an apocalyptic number.

6427942 is a deficient number, since it is larger than the sum of its proper divisors (3346274).

6427942 is a wasteful number, since it uses less digits than its factorization.

6427942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44102.

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

The square root of 6427942 is about 2535.3386361589. The cubic root of 6427942 is about 185.9333595623.

It can be divided in two parts, 6 and 427942, that multiplied together give a palindrome (2567652).

The spelling of 6427942 in words is "six million, four hundred twenty-seven thousand, nine hundred forty-two".