842572 has 6 divisors (see below), whose sum is σ = 1474508. Its totient is φ = 421284.

The previous prime is 842551. The next prime is 842581. The reversal of 842572 is 275248.

It is a self number, because there is not a number n which added to its sum of digits gives 842572.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105318 + ... + 105325.

2⁸⁴²⁵⁷² is an apocalyptic number.

It is an amenable number.

842572 is a deficient number, since it is larger than the sum of its proper divisors (631936).

842572 is a wasteful number, since it uses less digits than its factorization.

842572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210647 (or 210645 counting only the distinct ones).

The product of its digits is 4480, while the sum is 28.

The square root of 842572 is about 917.9172075955. The cubic root of 842572 is about 94.4500823496.

The spelling of 842572 in words is "eight hundred forty-two thousand, five hundred seventy-two".