842727 has 4 divisors (see below), whose sum is σ = 1123640. Its totient is φ = 561816.

The previous prime is 842701. The next prime is 842729. The reversal of 842727 is 727248.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 842727 - 2⁷ = 842599 is a prime.

It is a D-number.

It is a Duffinian number.

842727 is a modest number, since divided by 2727 gives 84 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 842694 and 842703.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 842727.

It is not an unprimeable number, because it can be changed into a prime (842729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140452 + ... + 140457.

It is an arithmetic number, because the mean of its divisors is an integer number (280910).

2⁸⁴²⁷²⁷ is an apocalyptic number.

842727 is a deficient number, since it is larger than the sum of its proper divisors (280913).

842727 is a wasteful number, since it uses less digits than its factorization.

842727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280912.

The product of its digits is 6272, while the sum is 30.

The square root of 842727 is about 918.0016339855. The cubic root of 842727 is about 94.4558736905.

It can be divided in two parts, 8427 and 27, that multiplied together give a square (227529 = 477²).

The spelling of 842727 in words is "eight hundred forty-two thousand, seven hundred twenty-seven".