40937693 has 2 divisors, whose sum is σ = 40937694. Its totient is φ = 40937692.

The previous prime is 40937653. The next prime is 40937779. The reversal of 40937693 is 39673904.

40937693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29398084 + 11539609 = 5422^2 + 3397^2 .

It is a cyclic number.

It is not a de Polignac number, because 40937693 - 2⁸ = 40937437 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40937693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40937653) 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, 20468846 + 20468847.

It is an arithmetic number, because the mean of its divisors is an integer number (20468847).

Almost surely, 2^40937693 is an apocalyptic number.

It is an amenable number.

40937693 is a deficient number, since it is larger than the sum of its proper divisors (1).

40937693 is an equidigital number, since it uses as much as digits as its factorization.

40937693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 40937693 is about 6398.2570282851. The cubic root of 40937693 is about 344.6469622519.

The spelling of 40937693 in words is "forty million, nine hundred thirty-seven thousand, six hundred ninety-three".