40061773 has 2 divisors, whose sum is σ = 40061774. Its totient is φ = 40061772.

The previous prime is 40061771. The next prime is 40061803. The reversal of 40061773 is 37716004.

40061773 is digitally balanced in base 2, 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., 34316164 + 5745609 = 5858^2 + 2397^2 .

It is a cyclic number.

It is not a de Polignac number, because 40061773 - 2¹ = 40061771 is a prime.

Together with 40061771, it forms a pair of twin primes.

It is equal to p_2437156 and since 40061773 and 2437156 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40061771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20030886 + 20030887.

It is an arithmetic number, because the mean of its divisors is an integer number (20030887).

Almost surely, 2^40061773 is an apocalyptic number.

It is an amenable number.

40061773 is a deficient number, since it is larger than the sum of its proper divisors (1).

40061773 is an equidigital number, since it uses as much as digits as its factorization.

40061773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 40061773 is about 6329.4370207784. The cubic root of 40061773 is about 342.1711493602.

Adding to 40061773 its reverse (37716004), we get a palindrome (77777777).

The spelling of 40061773 in words is "forty million, sixty-one thousand, seven hundred seventy-three".