74318743 has 2 divisors, whose sum is σ = 74318744. Its totient is φ = 74318742.

The previous prime is 74318731. The next prime is 74318779. The reversal of 74318743 is 34781347.

It is a weak prime.

It is an emirp because it is prime and its reverse (34781347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74318743 - 2¹⁷ = 74187671 is a prime.

It is a super-2 number, since 2×74318743² = 11046551122200098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74318843) 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, 37159371 + 37159372.

It is an arithmetic number, because the mean of its divisors is an integer number (37159372).

Almost surely, 2^74318743 is an apocalyptic number.

74318743 is a deficient number, since it is larger than the sum of its proper divisors (1).

74318743 is an equidigital number, since it uses as much as digits as its factorization.

74318743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 37.

The square root of 74318743 is about 8620.8319204123. The cubic root of 74318743 is about 420.4355704236.

The spelling of 74318743 in words is "seventy-four million, three hundred eighteen thousand, seven hundred forty-three".