74343413 has 2 divisors, whose sum is σ = 74343414. Its totient is φ = 74343412.

The previous prime is 74343403. The next prime is 74343433. The reversal of 74343413 is 31434347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51523684 + 22819729 = 7178^2 + 4777^2 .

It is a cyclic number.

It is not a de Polignac number, because 74343413 - 2¹⁶ = 74277877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74343403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37171706 + 37171707.

It is an arithmetic number, because the mean of its divisors is an integer number (37171707).

Almost surely, 2^74343413 is an apocalyptic number.

It is an amenable number.

74343413 is a deficient number, since it is larger than the sum of its proper divisors (1).

74343413 is an equidigital number, since it uses as much as digits as its factorization.

74343413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 29.

The square root of 74343413 is about 8622.2626380782. The cubic root of 74343413 is about 420.4820862716.

The spelling of 74343413 in words is "seventy-four million, three hundred forty-three thousand, four hundred thirteen".