842668736 has 112 divisors (see below), whose sum is σ = 2108850240. Its totient is φ = 325140480.

The previous prime is 842668727. The next prime is 842668759. The reversal of 842668736 is 637866248.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237020 + ... + 240548.

It is an arithmetic number, because the mean of its divisors is an integer number (18829020).

Almost surely, 2^842668736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 842668736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1054425120).

842668736 is an abundant number, since it is smaller than the sum of its proper divisors (1266181504).

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

842668736 is a wasteful number, since it uses less digits than its factorization.

842668736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3602 (or 3592 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 50.

The square root of 842668736 is about 29028.7570522749. The cubic root of 842668736 is about 944.5369682744.

The spelling of 842668736 in words is "eight hundred forty-two million, six hundred sixty-eight thousand, seven hundred thirty-six".