40977173 has 2 divisors, whose sum is σ = 40977174. Its totient is φ = 40977172.

The previous prime is 40977161. The next prime is 40977187. The reversal of 40977173 is 37177904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33616804 + 7360369 = 5798^2 + 2713^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40977173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40977143) 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, 20488586 + 20488587.

It is an arithmetic number, because the mean of its divisors is an integer number (20488587).

Almost surely, 2^40977173 is an apocalyptic number.

It is an amenable number.

40977173 is a deficient number, since it is larger than the sum of its proper divisors (1).

40977173 is an equidigital number, since it uses as much as digits as its factorization.

40977173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 40977173 is about 6401.3415000295. The cubic root of 40977173 is about 344.7577182925.

The spelling of 40977173 in words is "forty million, nine hundred seventy-seven thousand, one hundred seventy-three".