40367773 has 2 divisors, whose sum is σ = 40367774. Its totient is φ = 40367772.

The previous prime is 40367771. The next prime is 40367791. The reversal of 40367773 is 37776304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32285124 + 8082649 = 5682^2 + 2843^2 .

It is a cyclic number.

It is not a de Polignac number, because 40367773 - 2¹ = 40367771 is a prime.

Together with 40367771, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40367771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20183886 + 20183887.

It is an arithmetic number, because the mean of its divisors is an integer number (20183887).

Almost surely, 2^40367773 is an apocalyptic number.

It is an amenable number.

40367773 is a deficient number, since it is larger than the sum of its proper divisors (1).

40367773 is an equidigital number, since it uses as much as digits as its factorization.

40367773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 37.

The square root of 40367773 is about 6353.5638030951. The cubic root of 40367773 is about 343.0401316421.

The spelling of 40367773 in words is "forty million, three hundred sixty-seven thousand, seven hundred seventy-three".