7682641 has 2 divisors, whose sum is σ = 7682642. Its totient is φ = 7682640.

The previous prime is 7682639. The next prime is 7682659. The reversal of 7682641 is 1462867.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7049025 + 633616 = 2655^2 + 796^2 .

It is a cyclic number.

It is not a de Polignac number, because 7682641 - 2¹ = 7682639 is a prime.

Together with 7682639, it forms a pair of twin primes.

7682641 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7682597 and 7682606.

It is not a weakly prime, because it can be changed into another prime (7682341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3841320 + 3841321.

It is an arithmetic number, because the mean of its divisors is an integer number (3841321).

Almost surely, 2^7682641 is an apocalyptic number.

It is an amenable number.

7682641 is a deficient number, since it is larger than the sum of its proper divisors (1).

7682641 is an equidigital number, since it uses as much as digits as its factorization.

7682641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 7682641 is about 2771.7577455470. The cubic root of 7682641 is about 197.3195788618.

It can be divided in two parts, 76826 and 41, that added together give a palindrome (76867).

The spelling of 7682641 in words is "seven million, six hundred eighty-two thousand, six hundred forty-one".