8342742 has 8 divisors (see below), whose sum is σ = 16685496. Its totient is φ = 2780912.

The previous prime is 8342693. The next prime is 8342759. The reversal of 8342742 is 2472438.

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

8342742 is an admirable number.

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, 695223 + ... + 695234.

It is an arithmetic number, because the mean of its divisors is an integer number (2085687).

Almost surely, 2^8342742 is an apocalyptic number.

8342742 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.

8342742 is a wasteful number, since it uses less digits than its factorization.

8342742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390462.

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

The square root of 8342742 is about 2888.3805150984. The cubic root of 8342742 is about 202.8163383699.

The spelling of 8342742 in words is "eight million, three hundred forty-two thousand, seven hundred forty-two".