74683589 has 2 divisors, whose sum is σ = 74683590. Its totient is φ = 74683588.

The previous prime is 74683579. The next prime is 74683603. The reversal of 74683589 is 98538647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43692100 + 30991489 = 6610^2 + 5567^2 .

It is a cyclic number.

It is not a de Polignac number, because 74683589 - 2⁴ = 74683573 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 (74683559) 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, 37341794 + 37341795.

It is an arithmetic number, because the mean of its divisors is an integer number (37341795).

Almost surely, 2^74683589 is an apocalyptic number.

It is an amenable number.

74683589 is a deficient number, since it is larger than the sum of its proper divisors (1).

74683589 is an equidigital number, since it uses as much as digits as its factorization.

74683589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 50.

The square root of 74683589 is about 8641.9667321739. The cubic root of 74683589 is about 421.1224492094.

The spelling of 74683589 in words is "seventy-four million, six hundred eighty-three thousand, five hundred eighty-nine".