74143313 has 2 divisors, whose sum is σ = 74143314. Its totient is φ = 74143312.

The previous prime is 74143271. The next prime is 74143331. The reversal of 74143313 is 31334147.

Together with next prime (74143331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59336209 + 14807104 = 7703^2 + 3848^2 .

It is a cyclic number.

It is not a de Polignac number, because 74143313 - 2²⁴ = 57366097 is a prime.

It is not a weakly prime, because it can be changed into another prime (74143213) 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, 37071656 + 37071657.

It is an arithmetic number, because the mean of its divisors is an integer number (37071657).

Almost surely, 2^74143313 is an apocalyptic number.

It is an amenable number.

74143313 is a deficient number, since it is larger than the sum of its proper divisors (1).

74143313 is an equidigital number, since it uses as much as digits as its factorization.

74143313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 26.

The square root of 74143313 is about 8610.6511368189. The cubic root of 74143313 is about 420.1044959192.

The spelling of 74143313 in words is "seventy-four million, one hundred forty-three thousand, three hundred thirteen".