74040413 has 2 divisors, whose sum is σ = 74040414. Its totient is φ = 74040412.

The previous prime is 74040361. The next prime is 74040419. The reversal of 74040413 is 31404047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73582084 + 458329 = 8578^2 + 677^2 .

It is an emirp because it is prime and its reverse (31404047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74040413 - 2⁶ = 74040349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74040419) 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, 37020206 + 37020207.

It is an arithmetic number, because the mean of its divisors is an integer number (37020207).

Almost surely, 2^74040413 is an apocalyptic number.

It is an amenable number.

74040413 is a deficient number, since it is larger than the sum of its proper divisors (1).

74040413 is an equidigital number, since it uses as much as digits as its factorization.

74040413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 74040413 is about 8604.6739043383. The cubic root of 74040413 is about 419.9100582160.

The spelling of 74040413 in words is "seventy-four million, forty thousand, four hundred thirteen".