40707617 has 2 divisors, whose sum is σ = 40707618. Its totient is φ = 40707616.

The previous prime is 40707613. The next prime is 40707661. The reversal of 40707617 is 71670704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23435281 + 17272336 = 4841^2 + 4156^2 .

It is a cyclic number.

It is not a de Polignac number, because 40707617 - 2² = 40707613 is a prime.

It is a super-2 number, since 2×40707617² = 3314220163637378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40707613) 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, 20353808 + 20353809.

It is an arithmetic number, because the mean of its divisors is an integer number (20353809).

Almost surely, 2^40707617 is an apocalyptic number.

It is an amenable number.

40707617 is a deficient number, since it is larger than the sum of its proper divisors (1).

40707617 is an equidigital number, since it uses as much as digits as its factorization.

40707617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 40707617 is about 6380.2521110063. The cubic root of 40707617 is about 344.0000929556. Note that the first 4 decimals are identical.

The spelling of 40707617 in words is "forty million, seven hundred seven thousand, six hundred seventeen".