740805089 has 2 divisors, whose sum is σ = 740805090. Its totient is φ = 740805088.

The previous prime is 740805071. The next prime is 740805119. The reversal of 740805089 is 980508047.

740805089 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., 740765089 + 40000 = 27217^2 + 200^2 .

It is a cyclic number.

It is not a de Polignac number, because 740805089 - 2⁸ = 740804833 is a prime.

It is not a weakly prime, because it can be changed into another prime (740805019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370402544 + 370402545.

It is an arithmetic number, because the mean of its divisors is an integer number (370402545).

Almost surely, 2^740805089 is an apocalyptic number.

It is an amenable number.

740805089 is a deficient number, since it is larger than the sum of its proper divisors (1).

740805089 is an equidigital number, since it uses as much as digits as its factorization.

740805089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 740805089 is about 27217.7348249262. The cubic root of 740805089 is about 904.8320716469.

The spelling of 740805089 in words is "seven hundred forty million, eight hundred five thousand, eighty-nine".