74323241 has 2 divisors, whose sum is σ = 74323242. Its totient is φ = 74323240.

The previous prime is 74323229. The next prime is 74323247. The reversal of 74323241 is 14232347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74321641 + 1600 = 8621^2 + 40^2 .

It is an emirp because it is prime and its reverse (14232347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74323241 - 2²² = 70128937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 74323241.

It is not a weakly prime, because it can be changed into another prime (74323247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37161620 + 37161621.

It is an arithmetic number, because the mean of its divisors is an integer number (37161621).

Almost surely, 2^74323241 is an apocalyptic number.

It is an amenable number.

74323241 is a deficient number, since it is larger than the sum of its proper divisors (1).

74323241 is an equidigital number, since it uses as much as digits as its factorization.

74323241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 26.

The square root of 74323241 is about 8621.0927961599. The cubic root of 74323241 is about 420.4440522725. Note that the first 3 decimals are identical.

Adding to 74323241 its reverse (14232347), we get a palindrome (88555588).

The spelling of 74323241 in words is "seventy-four million, three hundred twenty-three thousand, two hundred forty-one".