7282869 has 12 divisors (see below), whose sum is σ = 10674048. Its totient is φ = 4413640.

The previous prime is 7282853. The next prime is 7282883. The reversal of 7282869 is 9682827.

It is a happy number.

7282869 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7282869 - 2⁴ = 7282853 is a prime.

It is a super-2 number, since 2×7282869² = 106080361742322, which contains 22 as substring.

It is an Ulam number.

7282869 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7282869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7282819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9669 + ... + 10394.

It is an arithmetic number, because the mean of its divisors is an integer number (889504).

Almost surely, 2^7282869 is an apocalyptic number.

It is an amenable number.

7282869 is a deficient number, since it is larger than the sum of its proper divisors (3391179).

7282869 is a wasteful number, since it uses less digits than its factorization.

7282869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20088 (or 20077 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 7282869 is about 2698.6791213481. The cubic root of 7282869 is about 193.8358781280.

Subtracting from 7282869 its sum of digits (42), we obtain a palindrome (7282827).

The spelling of 7282869 in words is "seven million, two hundred eighty-two thousand, eight hundred sixty-nine".