7644041 has 2 divisors, whose sum is σ = 7644042. Its totient is φ = 7644040.

The previous prime is 7644037. The next prime is 7644047. The reversal of 7644041 is 1404467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6869641 + 774400 = 2621^2 + 880^2 .

It is an emirp because it is prime and its reverse (1404467) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7644041 - 2² = 7644037 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7644041.

It is not a weakly prime, because it can be changed into another prime (7644047) 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, 3822020 + 3822021.

It is an arithmetic number, because the mean of its divisors is an integer number (3822021).

Almost surely, 2^7644041 is an apocalyptic number.

It is an amenable number.

7644041 is a deficient number, since it is larger than the sum of its proper divisors (1).

7644041 is an equidigital number, since it uses as much as digits as its factorization.

7644041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 7644041 is about 2764.7858868274. The cubic root of 7644041 is about 196.9885586903.

The spelling of 7644041 in words is "seven million, six hundred forty-four thousand, forty-one".