74179609417 has 2 divisors, whose sum is σ = 74179609418. Its totient is φ = 74179609416.

The previous prime is 74179609349. The next prime is 74179609423. The reversal of 74179609417 is 71490697147.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42774098761 + 31405510656 = 206819^2 + 177216^2 .

It is an emirp because it is prime and its reverse (71490697147) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74179609417 - 2¹⁵ = 74179576649 is a prime.

It is a super-2 number, since 2×74179609417² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74179649417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37089804708 + 37089804709.

It is an arithmetic number, because the mean of its divisors is an integer number (37089804709).

Almost surely, 2^74179609417 is an apocalyptic number.

It is an amenable number.

74179609417 is a deficient number, since it is larger than the sum of its proper divisors (1).

74179609417 is an equidigital number, since it uses as much as digits as its factorization.

74179609417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2667168, while the sum is 55.

The spelling of 74179609417 in words is "seventy-four billion, one hundred seventy-nine million, six hundred nine thousand, four hundred seventeen".