842734 has 8 divisors (see below), whose sum is σ = 1270728. Its totient is φ = 419160.

The previous prime is 842729. The next prime is 842747. The reversal of 842734 is 437248.

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

It is a d-powerful number, because it can be written as 8³ + 4 + 7⁷ + 2¹¹ + 3⁵ + 4⁷ .

It is a plaindrome in base 13.

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, 577 + ... + 1420.

It is an arithmetic number, because the mean of its divisors is an integer number (158841).

2⁸⁴²⁷³⁴ is an apocalyptic number.

842734 is a deficient number, since it is larger than the sum of its proper divisors (427994).

842734 is a wasteful number, since it uses less digits than its factorization.

842734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210.

The product of its digits is 5376, while the sum is 28.

The square root of 842734 is about 918.0054466069. The cubic root of 842734 is about 94.4561352182.

The spelling of 842734 in words is "eight hundred forty-two thousand, seven hundred thirty-four".