8442734 has 16 divisors (see below), whose sum is σ = 13085376. Its totient is φ = 4082400.

The previous prime is 8442713. The next prime is 8442767. The reversal of 8442734 is 4372448.

It is a self number, because there is not a number n which added to its sum of digits gives 8442734.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19844 + ... + 20264.

It is an arithmetic number, because the mean of its divisors is an integer number (817836).

Almost surely, 2^8442734 is an apocalyptic number.

8442734 is a deficient number, since it is larger than the sum of its proper divisors (4642642).

8442734 is a wasteful number, since it uses less digits than its factorization.

8442734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731.

The product of its digits is 21504, while the sum is 32.

The square root of 8442734 is about 2905.6383119721. The cubic root of 8442734 is about 203.6234081338.

The spelling of 8442734 in words is "eight million, four hundred forty-two thousand, seven hundred thirty-four".