8042872 has 8 divisors (see below), whose sum is σ = 15080400. Its totient is φ = 4021432.

The previous prime is 8042863. The next prime is 8042897. The reversal of 8042872 is 2782408.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502672 + ... + 502687.

It is an arithmetic number, because the mean of its divisors is an integer number (1885050).

Almost surely, 2^8042872 is an apocalyptic number.

It is an amenable number.

8042872 is a deficient number, since it is larger than the sum of its proper divisors (7037528).

8042872 is a wasteful number, since it uses less digits than its factorization.

8042872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005365 (or 1005361 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 8042872 is about 2835.9957686851. The cubic root of 8042872 is about 200.3566303626.

The spelling of 8042872 in words is "eight million, forty-two thousand, eight hundred seventy-two".