74024689 has 2 divisors, whose sum is σ = 74024690. Its totient is φ = 74024688.

The previous prime is 74024663. The next prime is 74024693. The reversal of 74024689 is 98642047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58752225 + 15272464 = 7665^2 + 3908^2 .

It is a cyclic number.

It is not a de Polignac number, because 74024689 - 2⁹ = 74024177 is a prime.

It is not a weakly prime, because it can be changed into another prime (74024609) 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, 37012344 + 37012345.

It is an arithmetic number, because the mean of its divisors is an integer number (37012345).

Almost surely, 2^74024689 is an apocalyptic number.

It is an amenable number.

74024689 is a deficient number, since it is larger than the sum of its proper divisors (1).

74024689 is an equidigital number, since it uses as much as digits as its factorization.

74024689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 74024689 is about 8603.7601663459. The cubic root of 74024689 is about 419.8803306076.

The spelling of 74024689 in words is "seventy-four million, twenty-four thousand, six hundred eighty-nine".