7275869 has 2 divisors, whose sum is σ = 7275870. Its totient is φ = 7275868.

The previous prime is 7275857. The next prime is 7275883. The reversal of 7275869 is 9685727.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3853369 + 3422500 = 1963^2 + 1850^2 .

It is an emirp because it is prime and its reverse (9685727) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7275869 is a prime.

It is a super-2 number, since 2×7275869² = 105876539410322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7275809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3637934 + 3637935.

It is an arithmetic number, because the mean of its divisors is an integer number (3637935).

Almost surely, 2^7275869 is an apocalyptic number.

It is an amenable number.

7275869 is a deficient number, since it is larger than the sum of its proper divisors (1).

7275869 is an equidigital number, since it uses as much as digits as its factorization.

7275869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 44.

The square root of 7275869 is about 2697.3818787854. The cubic root of 7275869 is about 193.7737558107.

It can be divided in two parts, 72758 and 69, that added together give a palindrome (72827).

The spelling of 7275869 in words is "seven million, two hundred seventy-five thousand, eight hundred sixty-nine".