7566841 has 2 divisors, whose sum is σ = 7566842. Its totient is φ = 7566840.

The previous prime is 7566803. The next prime is 7566877. The reversal of 7566841 is 1486657.

7566841 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., 5271616 + 2295225 = 2296^2 + 1515^2 .

It is a cyclic number.

It is not a de Polignac number, because 7566841 - 2²¹ = 5469689 is a prime.

It is a Chen prime.

It is an Ulam number.

7566841 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7566841.

It is not a weakly prime, because it can be changed into another prime (7566341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3783420 + 3783421.

It is an arithmetic number, because the mean of its divisors is an integer number (3783421).

Almost surely, 2^7566841 is an apocalyptic number.

It is an amenable number.

7566841 is a deficient number, since it is larger than the sum of its proper divisors (1).

7566841 is an equidigital number, since it uses as much as digits as its factorization.

7566841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 7566841 is about 2750.7891594959. The cubic root of 7566841 is about 196.3231601412.

The spelling of 7566841 in words is "seven million, five hundred sixty-six thousand, eight hundred forty-one".