40719713 has 2 divisors, whose sum is σ = 40719714. Its totient is φ = 40719712.

The previous prime is 40719697. The next prime is 40719733. The reversal of 40719713 is 31791704.

40719713 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., 39037504 + 1682209 = 6248^2 + 1297^2 .

It is a cyclic number.

It is not a de Polignac number, because 40719713 - 2⁴ = 40719697 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40719713.

It is not a weakly prime, because it can be changed into another prime (40719733) 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, 20359856 + 20359857.

It is an arithmetic number, because the mean of its divisors is an integer number (20359857).

Almost surely, 2^40719713 is an apocalyptic number.

It is an amenable number.

40719713 is a deficient number, since it is larger than the sum of its proper divisors (1).

40719713 is an equidigital number, since it uses as much as digits as its factorization.

40719713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 40719713 is about 6381.1999655237. The cubic root of 40719713 is about 344.0341620346.

The spelling of 40719713 in words is "forty million, seven hundred nineteen thousand, seven hundred thirteen".