74725193 has 2 divisors, whose sum is σ = 74725194. Its totient is φ = 74725192.

The previous prime is 74725187. The next prime is 74725207. The reversal of 74725193 is 39152747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72454144 + 2271049 = 8512^2 + 1507^2 .

It is a cyclic number.

It is not a de Polignac number, because 74725193 - 2¹⁸ = 74463049 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 (74725103) 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, 37362596 + 37362597.

It is an arithmetic number, because the mean of its divisors is an integer number (37362597).

Almost surely, 2^74725193 is an apocalyptic number.

It is an amenable number.

74725193 is a deficient number, since it is larger than the sum of its proper divisors (1).

74725193 is an equidigital number, since it uses as much as digits as its factorization.

74725193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 38.

The square root of 74725193 is about 8644.3734879978. The cubic root of 74725193 is about 421.2006329455.

The spelling of 74725193 in words is "seventy-four million, seven hundred twenty-five thousand, one hundred ninety-three".