40739717 has 2 divisors, whose sum is σ = 40739718. Its totient is φ = 40739716.

The previous prime is 40739711. The next prime is 40739723. The reversal of 40739717 is 71793704.

40739717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (40739711) and next prime (40739723).

It can be written as a sum of positive squares in only one way, i.e., 36409156 + 4330561 = 6034^2 + 2081^2 .

It is a cyclic number.

It is not a de Polignac number, because 40739717 - 2⁶ = 40739653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40739711) 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, 20369858 + 20369859.

It is an arithmetic number, because the mean of its divisors is an integer number (20369859).

Almost surely, 2^40739717 is an apocalyptic number.

It is an amenable number.

40739717 is a deficient number, since it is larger than the sum of its proper divisors (1).

40739717 is an equidigital number, since it uses as much as digits as its factorization.

40739717 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 40739717 is about 6382.7671898637. The cubic root of 40739717 is about 344.0904896477.

The spelling of 40739717 in words is "forty million, seven hundred thirty-nine thousand, seven hundred seventeen".