7268641 has 2 divisors, whose sum is σ = 7268642. Its totient is φ = 7268640.

The previous prime is 7268633. The next prime is 7268693. The reversal of 7268641 is 1468627.

7268641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7268416 + 225 = 2696^2 + 15^2 .

It is a cyclic number.

It is not a de Polignac number, because 7268641 - 2³ = 7268633 is a prime.

7268641 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7268597 and 7268606.

It is not a weakly prime, because it can be changed into another prime (7268141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3634320 + 3634321.

It is an arithmetic number, because the mean of its divisors is an integer number (3634321).

Almost surely, 2^7268641 is an apocalyptic number.

It is an amenable number.

7268641 is a deficient number, since it is larger than the sum of its proper divisors (1).

7268641 is an equidigital number, since it uses as much as digits as its factorization.

7268641 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 7268641 is about 2696.0417281637. The cubic root of 7268641 is about 193.7095682542.

It can be divided in two parts, 72686 and 41, that added together give a palindrome (72727).

The spelling of 7268641 in words is "seven million, two hundred sixty-eight thousand, six hundred forty-one".