74066413 has 2 divisors, whose sum is σ = 74066414. Its totient is φ = 74066412.

The previous prime is 74066411. The next prime is 74066437. The reversal of 74066413 is 31466047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59182249 + 14884164 = 7693^2 + 3858^2 .

It is a cyclic number.

It is not a de Polignac number, because 74066413 - 2¹ = 74066411 is a prime.

Together with 74066411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74066411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37033206 + 37033207.

It is an arithmetic number, because the mean of its divisors is an integer number (37033207).

Almost surely, 2^74066413 is an apocalyptic number.

It is an amenable number.

74066413 is a deficient number, since it is larger than the sum of its proper divisors (1).

74066413 is an equidigital number, since it uses as much as digits as its factorization.

74066413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 74066413 is about 8606.1845785458. The cubic root of 74066413 is about 419.9592042764.

The spelling of 74066413 in words is "seventy-four million, sixty-six thousand, four hundred thirteen".