74805193 has 2 divisors, whose sum is σ = 74805194. Its totient is φ = 74805192.

The previous prime is 74805187. The next prime is 74805221. The reversal of 74805193 is 39150847.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46895104 + 27910089 = 6848^2 + 5283^2 .

It is a cyclic number.

It is not a de Polignac number, because 74805193 - 2¹⁷ = 74674121 is a prime.

It is not a weakly prime, because it can be changed into another prime (74805113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37402596 + 37402597.

It is an arithmetic number, because the mean of its divisors is an integer number (37402597).

Almost surely, 2^74805193 is an apocalyptic number.

It is an amenable number.

74805193 is a deficient number, since it is larger than the sum of its proper divisors (1).

74805193 is an equidigital number, since it uses as much as digits as its factorization.

74805193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 74805193 is about 8648.9995375188. Note that the first 3 decimals coincide. The cubic root of 74805193 is about 421.3508903154.

The spelling of 74805193 in words is "seventy-four million, eight hundred five thousand, one hundred ninety-three".