7276813 has 2 divisors, whose sum is σ = 7276814. Its totient is φ = 7276812.

The previous prime is 7276781. The next prime is 7276837. The reversal of 7276813 is 3186727.

7276813 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5391684 + 1885129 = 2322^2 + 1373^2 .

It is a cyclic number.

It is not a de Polignac number, because 7276813 - 2⁵ = 7276781 is a prime.

It is equal to p₄₉₄₁₉₇ and since 7276813 and 494197 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7276853) by changing a digit.

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, 3638406 + 3638407.

It is an arithmetic number, because the mean of its divisors is an integer number (3638407).

Almost surely, 2^7276813 is an apocalyptic number.

It is an amenable number.

7276813 is a deficient number, since it is larger than the sum of its proper divisors (1).

7276813 is an equidigital number, since it uses as much as digits as its factorization.

7276813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 34.

The square root of 7276813 is about 2697.5568576028. The cubic root of 7276813 is about 193.7821357726.

The spelling of 7276813 in words is "seven million, two hundred seventy-six thousand, eight hundred thirteen".