74406193 has 2 divisors, whose sum is σ = 74406194. Its totient is φ = 74406192.

The previous prime is 74406191. The next prime is 74406209. The reversal of 74406193 is 39160447.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44997264 + 29408929 = 6708^2 + 5423^2 .

It is a cyclic number.

It is not a de Polignac number, because 74406193 - 2¹ = 74406191 is a prime.

Together with 74406191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (74406191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37203096 + 37203097.

It is an arithmetic number, because the mean of its divisors is an integer number (37203097).

Almost surely, 2^74406193 is an apocalyptic number.

It is an amenable number.

74406193 is a deficient number, since it is larger than the sum of its proper divisors (1).

74406193 is an equidigital number, since it uses as much as digits as its factorization.

74406193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 74406193 is about 8625.9024455416. The cubic root of 74406193 is about 420.6004129986.

The spelling of 74406193 in words is "seventy-four million, four hundred six thousand, one hundred ninety-three".