40112717 has 2 divisors, whose sum is σ = 40112718. Its totient is φ = 40112716.

The previous prime is 40112659. The next prime is 40112731. The reversal of 40112717 is 71721104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26020201 + 14092516 = 5101^2 + 3754^2 .

It is a cyclic number.

It is not a de Polignac number, because 40112717 - 2⁸ = 40112461 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40112692 and 40112701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40112767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20056358 + 20056359.

It is an arithmetic number, because the mean of its divisors is an integer number (20056359).

Almost surely, 2^40112717 is an apocalyptic number.

It is an amenable number.

40112717 is a deficient number, since it is larger than the sum of its proper divisors (1).

40112717 is an equidigital number, since it uses as much as digits as its factorization.

40112717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 40112717 is about 6333.4601127662. The cubic root of 40112717 is about 342.3161269957.

The spelling of 40112717 in words is "forty million, one hundred twelve thousand, seven hundred seventeen".