74810285385 has 32 divisors (see below), whose sum is σ = 134107097472. Its totient is φ = 35291335680.

The previous prime is 74810285383. The next prime is 74810285419. The reversal of 74810285385 is 58358201847.

It is not a de Polignac number, because 74810285385 - 2¹ = 74810285383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74810285383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6120864 + ... + 6133073.

It is an arithmetic number, because the mean of its divisors is an integer number (4190846796).

Almost surely, 2^74810285385 is an apocalyptic number.

It is an amenable number.

74810285385 is a deficient number, since it is larger than the sum of its proper divisors (59296812087).

74810285385 is a wasteful number, since it uses less digits than its factorization.

74810285385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12253993.

The product of its (nonzero) digits is 2150400, while the sum is 51.

The spelling of 74810285385 in words is "seventy-four billion, eight hundred ten million, two hundred eighty-five thousand, three hundred eighty-five".