7842342 has 8 divisors (see below), whose sum is σ = 15684696. Its totient is φ = 2614112.

The previous prime is 7842337. The next prime is 7842361. The reversal of 7842342 is 2432487.

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

7842342 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653523 + ... + 653534.

It is an arithmetic number, because the mean of its divisors is an integer number (1960587).

Almost surely, 2^7842342 is an apocalyptic number.

7842342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7842342 is a wasteful number, since it uses less digits than its factorization.

7842342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307062.

The product of its digits is 10752, while the sum is 30.

The square root of 7842342 is about 2800.4181830577. The cubic root of 7842342 is about 198.6774570109.

The spelling of 7842342 in words is "seven million, eight hundred forty-two thousand, three hundred forty-two".