40706736673717 has 2 divisors, whose sum is σ = 40706736673718. Its totient is φ = 40706736673716.

The previous prime is 40706736673553. The next prime is 40706736673747. The reversal of 40706736673717 is 71737663760704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35048779880401 + 5657956793316 = 5920201^2 + 2378646^2 .

It is a cyclic number.

It is not a de Polignac number, because 40706736673717 - 2²³ = 40706728285109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40706736673747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20353368336858 + 20353368336859.

It is an arithmetic number, because the mean of its divisors is an integer number (20353368336859).

Almost surely, 2^{40706736673717} is an apocalyptic number.

It is an amenable number.

40706736673717 is a deficient number, since it is larger than the sum of its proper divisors (1).

40706736673717 is an equidigital number, since it uses as much as digits as its factorization.

40706736673717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 130691232, while the sum is 64.

The spelling of 40706736673717 in words is "forty trillion, seven hundred six billion, seven hundred thirty-six million, six hundred seventy-three thousand, seven hundred seventeen".