40683761 has 2 divisors, whose sum is σ = 40683762. Its totient is φ = 40683760.

The previous prime is 40683743. The next prime is 40683793. The reversal of 40683761 is 16738604.

40683761 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., 32273761 + 8410000 = 5681^2 + 2900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40683761 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (40683961) 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, 20341880 + 20341881.

It is an arithmetic number, because the mean of its divisors is an integer number (20341881).

Almost surely, 2^40683761 is an apocalyptic number.

It is an amenable number.

40683761 is a deficient number, since it is larger than the sum of its proper divisors (1).

40683761 is an equidigital number, since it uses as much as digits as its factorization.

40683761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 40683761 is about 6378.3823184253. The cubic root of 40683761 is about 343.9328813752.

The spelling of 40683761 in words is "forty million, six hundred eighty-three thousand, seven hundred sixty-one".