74812643227 has 8 divisors (see below), whose sum is σ = 85658208992. Its totient is φ = 64006588800.

The previous prime is 74812643221. The next prime is 74812643267. The reversal of 74812643227 is 72234621847.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74812643227 - 2¹⁹ = 74812118939 is a prime.

It is a super-2 number, since 2×74812643227² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74812643221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9873774 + ... + 9881347.

It is an arithmetic number, because the mean of its divisors is an integer number (10707276124).

Almost surely, 2^74812643227 is an apocalyptic number.

74812643227 is a deficient number, since it is larger than the sum of its proper divisors (10845565765).

74812643227 is a wasteful number, since it uses less digits than its factorization.

74812643227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19755669.

The product of its digits is 903168, while the sum is 46.

The spelling of 74812643227 in words is "seventy-four billion, eight hundred twelve million, six hundred forty-three thousand, two hundred twenty-seven".