74344693 has 2 divisors, whose sum is σ = 74344694. Its totient is φ = 74344692.

The previous prime is 74344691. The next prime is 74344759. The reversal of 74344693 is 39644347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55621764 + 18722929 = 7458^2 + 4327^2 .

It is an emirp because it is prime and its reverse (39644347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74344693 - 2¹ = 74344691 is a prime.

Together with 74344691, 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 (74344691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37172346 + 37172347.

It is an arithmetic number, because the mean of its divisors is an integer number (37172347).

Almost surely, 2^74344693 is an apocalyptic number.

It is an amenable number.

74344693 is a deficient number, since it is larger than the sum of its proper divisors (1).

74344693 is an equidigital number, since it uses as much as digits as its factorization.

74344693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 40.

The square root of 74344693 is about 8622.3368642149. The cubic root of 74344693 is about 420.4844994600.

The spelling of 74344693 in words is "seventy-four million, three hundred forty-four thousand, six hundred ninety-three".