40704589 has 2 divisors, whose sum is σ = 40704590. Its totient is φ = 40704588.

The previous prime is 40704569. The next prime is 40704607. The reversal of 40704589 is 98540704.

40704589 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., 24423364 + 16281225 = 4942^2 + 4035^2 .

It is a cyclic number.

It is not a de Polignac number, because 40704589 - 2¹⁵ = 40671821 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40704509) 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, 20352294 + 20352295.

It is an arithmetic number, because the mean of its divisors is an integer number (20352295).

Almost surely, 2^40704589 is an apocalyptic number.

It is an amenable number.

40704589 is a deficient number, since it is larger than the sum of its proper divisors (1).

40704589 is an equidigital number, since it uses as much as digits as its factorization.

40704589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 40704589 is about 6380.0148118950. The cubic root of 40704589 is about 343.9915633635.

The spelling of 40704589 in words is "forty million, seven hundred four thousand, five hundred eighty-nine".