74080889 has 2 divisors, whose sum is σ = 74080890. Its totient is φ = 74080888.

The previous prime is 74080871. The next prime is 74080949. The reversal of 74080889 is 98808047.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43665664 + 30415225 = 6608^2 + 5515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74080889 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (74080859) 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, 37040444 + 37040445.

It is an arithmetic number, because the mean of its divisors is an integer number (37040445).

Almost surely, 2^74080889 is an apocalyptic number.

It is an amenable number.

74080889 is a deficient number, since it is larger than the sum of its proper divisors (1).

74080889 is an equidigital number, since it uses as much as digits as its factorization.

74080889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 74080889 is about 8607.0255605523. The cubic root of 74080889 is about 419.9865623063.

The spelling of 74080889 in words is "seventy-four million, eighty thousand, eight hundred eighty-nine".