74066851 has 2 divisors, whose sum is σ = 74066852. Its totient is φ = 74066850.

The previous prime is 74066819. The next prime is 74066887. The reversal of 74066851 is 15866047.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74066851 - 2⁵ = 74066819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74066851.

It is not a weakly prime, because it can be changed into another prime (74076851) 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, 37033425 + 37033426.

It is an arithmetic number, because the mean of its divisors is an integer number (37033426).

Almost surely, 2^74066851 is an apocalyptic number.

74066851 is a deficient number, since it is larger than the sum of its proper divisors (1).

74066851 is an equidigital number, since it uses as much as digits as its factorization.

74066851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 74066851 is about 8606.2100253247. The cubic root of 74066851 is about 419.9600321000.

The spelling of 74066851 in words is "seventy-four million, sixty-six thousand, eight hundred fifty-one".