41064721 has 2 divisors, whose sum is σ = 41064722. Its totient is φ = 41064720.

The previous prime is 41064703. The next prime is 41064787. The reversal of 41064721 is 12746014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32718400 + 8346321 = 5720^2 + 2889^2 .

It is a cyclic number.

It is not a de Polignac number, because 41064721 - 2⁹ = 41064209 is a prime.

It is a super-2 number, since 2×41064721² = 3372622621615682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41065721) 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, 20532360 + 20532361.

It is an arithmetic number, because the mean of its divisors is an integer number (20532361).

Almost surely, 2^41064721 is an apocalyptic number.

It is an amenable number.

41064721 is a deficient number, since it is larger than the sum of its proper divisors (1).

41064721 is an equidigital number, since it uses as much as digits as its factorization.

41064721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 41064721 is about 6408.1761055701. The cubic root of 41064721 is about 345.0030693559.

The spelling of 41064721 in words is "forty-one million, sixty-four thousand, seven hundred twenty-one".