8727842 has 6 divisors (see below), whose sum is σ = 13098033. Its totient is φ = 4361832.

The previous prime is 8727809. The next prime is 8727857. The reversal of 8727842 is 2487278.

It can be written as a sum of positive squares in 2 ways, for example, as 7187761 + 1540081 = 2681^2 + 1241^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2089.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8727796 and 8727805.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3134 + ... + 5222.

Almost surely, 2^8727842 is an apocalyptic number.

8727842 is a deficient number, since it is larger than the sum of its proper divisors (4370191).

8727842 is an frugal number, since it uses more digits than its factorization.

8727842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4180 (or 2091 counting only the distinct ones).

The product of its digits is 50176, while the sum is 38.

The square root of 8727842 is about 2954.2921317974. The cubic root of 8727842 is about 205.8901761669.

The spelling of 8727842 in words is "eight million, seven hundred twenty-seven thousand, eight hundred forty-two".