74068849 has 2 divisors, whose sum is σ = 74068850. Its totient is φ = 74068848.

The previous prime is 74068831. The next prime is 74068853. The reversal of 74068849 is 94886047.

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., 60341824 + 13727025 = 7768^2 + 3705^2 .

It is a cyclic number.

It is not a de Polignac number, because 74068849 - 2⁵ = 74068817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74068799 and 74068808.

It is not a weakly prime, because it can be changed into another prime (74168849) 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, 37034424 + 37034425.

It is an arithmetic number, because the mean of its divisors is an integer number (37034425).

Almost surely, 2^74068849 is an apocalyptic number.

It is an amenable number.

74068849 is a deficient number, since it is larger than the sum of its proper divisors (1).

74068849 is an equidigital number, since it uses as much as digits as its factorization.

74068849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 74068849 is about 8606.3261035125. The cubic root of 74068849 is about 419.9638082949.

The spelling of 74068849 in words is "seventy-four million, sixty-eight thousand, eight hundred forty-nine".