40036697 has 2 divisors, whose sum is σ = 40036698. Its totient is φ = 40036696.

The previous prime is 40036693. The next prime is 40036699. The reversal of 40036697 is 79663004.

40036697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36132121 + 3904576 = 6011^2 + 1976^2 .

It is a cyclic number.

It is not a de Polignac number, because 40036697 - 2² = 40036693 is a prime.

Together with 40036699, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40036693) 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, 20018348 + 20018349.

It is an arithmetic number, because the mean of its divisors is an integer number (20018349).

Almost surely, 2^40036697 is an apocalyptic number.

It is an amenable number.

40036697 is a deficient number, since it is larger than the sum of its proper divisors (1).

40036697 is an equidigital number, since it uses as much as digits as its factorization.

40036697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 40036697 is about 6327.4558078267. The cubic root of 40036697 is about 342.0997423475.

The spelling of 40036697 in words is "forty million, thirty-six thousand, six hundred ninety-seven".