7682813 has 2 divisors, whose sum is σ = 7682814. Its totient is φ = 7682812.

The previous prime is 7682809. The next prime is 7682819. The reversal of 7682813 is 3182867.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7409284 + 273529 = 2722^2 + 523^2 .

It is a cyclic number.

It is not a de Polignac number, because 7682813 - 2² = 7682809 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7682819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3841406 + 3841407.

It is an arithmetic number, because the mean of its divisors is an integer number (3841407).

Almost surely, 2^7682813 is an apocalyptic number.

It is an amenable number.

7682813 is a deficient number, since it is larger than the sum of its proper divisors (1).

7682813 is an equidigital number, since it uses as much as digits as its factorization.

7682813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 7682813 is about 2771.7887726160. The cubic root of 7682813 is about 197.3210513899.

The spelling of 7682813 in words is "seven million, six hundred eighty-two thousand, eight hundred thirteen".