842768 has 10 divisors (see below), whose sum is σ = 1632894. Its totient is φ = 421376.

The previous prime is 842767. The next prime is 842771. The reversal of 842768 is 867248.

It can be written as a sum of positive squares in only one way, i.e., 692224 + 150544 = 832^2 + 388^2 .

It is not an unprimeable number, because it can be changed into a prime (842767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26321 + ... + 26352.

2⁸⁴²⁷⁶⁸ is an apocalyptic number.

It is an amenable number.

842768 is a deficient number, since it is larger than the sum of its proper divisors (790126).

842768 is a wasteful number, since it uses less digits than its factorization.

842768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52681 (or 52675 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 842768 is about 918.0239648288. The cubic root of 842768 is about 94.4574054748.

The spelling of 842768 in words is "eight hundred forty-two thousand, seven hundred sixty-eight".