74342845277 has 2 divisors, whose sum is σ = 74342845278. Its totient is φ = 74342845276.

The previous prime is 74342845193. The next prime is 74342845279. The reversal of 74342845277 is 77254824347.

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., 67073748196 + 7269097081 = 258986^2 + 85259^2 .

It is a cyclic number.

It is not a de Polignac number, because 74342845277 - 2¹⁰ = 74342844253 is a prime.

It is a super-2 number, since 2×74342845277² (a number of 23 digits) contains 22 as substring.

Together with 74342845279, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74342845279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37171422638 + 37171422639.

It is an arithmetic number, because the mean of its divisors is an integer number (37171422639).

Almost surely, 2^74342845277 is an apocalyptic number.

It is an amenable number.

74342845277 is a deficient number, since it is larger than the sum of its proper divisors (1).

74342845277 is an equidigital number, since it uses as much as digits as its factorization.

74342845277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10536960, while the sum is 53.

The spelling of 74342845277 in words is "seventy-four billion, three hundred forty-two million, eight hundred forty-five thousand, two hundred seventy-seven".