74081347 has 2 divisors, whose sum is σ = 74081348. Its totient is φ = 74081346.

The previous prime is 74081327. The next prime is 74081443. The reversal of 74081347 is 74318047.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74081347 is a prime.

It is not a weakly prime, because it can be changed into another prime (74081327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37040673 + 37040674.

It is an arithmetic number, because the mean of its divisors is an integer number (37040674).

Almost surely, 2^74081347 is an apocalyptic number.

74081347 is a deficient number, since it is larger than the sum of its proper divisors (1).

74081347 is an equidigital number, since it uses as much as digits as its factorization.

74081347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 74081347 is about 8607.0521666829. The cubic root of 74081347 is about 419.9874278172.

The spelling of 74081347 in words is "seventy-four million, eighty-one thousand, three hundred forty-seven".