8072869 has 4 divisors (see below), whose sum is σ = 9226144. Its totient is φ = 6919596.

The previous prime is 8072843. The next prime is 8072881. The reversal of 8072869 is 9682708.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8072869 - 2⁵ = 8072837 is a prime.

It is a super-2 number, since 2×8072869² = 130342427782322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8072809) 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, 576627 + ... + 576640.

It is an arithmetic number, because the mean of its divisors is an integer number (2306536).

Almost surely, 2^8072869 is an apocalyptic number.

It is an amenable number.

8072869 is a deficient number, since it is larger than the sum of its proper divisors (1153275).

8072869 is a wasteful number, since it uses less digits than its factorization.

8072869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153274.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 8072869 is about 2841.2794653114. The cubic root of 8072869 is about 200.6054072280.

The spelling of 8072869 in words is "eight million, seventy-two thousand, eight hundred sixty-nine".