842008734 has 24 divisors (see below), whose sum is σ = 2084974320. Its totient is φ = 240573888.

The previous prime is 842008733. The next prime is 842008747. The reversal of 842008734 is 437800248.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842008733) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3341179 + ... + 3341430.

It is an arithmetic number, because the mean of its divisors is an integer number (86873930).

Almost surely, 2^842008734 is an apocalyptic number.

842008734 is an abundant number, since it is smaller than the sum of its proper divisors (1242965586).

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

842008734 is a wasteful number, since it uses less digits than its factorization.

842008734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6682624 (or 6682621 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 842008734 is about 29017.3867534621. The cubic root of 842008734 is about 944.2903078387.

The spelling of 842008734 in words is "eight hundred forty-two million, eight thousand, seven hundred thirty-four".