74845093 has 2 divisors, whose sum is σ = 74845094. Its totient is φ = 74845092.

The previous prime is 74845087. The next prime is 74845249. The reversal of 74845093 is 39054847.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58018689 + 16826404 = 7617^2 + 4102^2 .

It is a cyclic number.

It is not a de Polignac number, because 74845093 - 2¹⁷ = 74714021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74845073) 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, 37422546 + 37422547.

It is an arithmetic number, because the mean of its divisors is an integer number (37422547).

Almost surely, 2^74845093 is an apocalyptic number.

It is an amenable number.

74845093 is a deficient number, since it is larger than the sum of its proper divisors (1).

74845093 is an equidigital number, since it uses as much as digits as its factorization.

74845093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 74845093 is about 8651.3058551874. The cubic root of 74845093 is about 421.4257911418.

The spelling of 74845093 in words is "seventy-four million, eight hundred forty-five thousand, ninety-three".