74706166141 has 4 divisors (see below), whose sum is σ = 74711155932. Its totient is φ = 74701176352.

The previous prime is 74706166109. The next prime is 74706166169. The reversal of 74706166141 is 14166160747.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22573860516 + 52132305625 = 150246^2 + 228325^2 .

It is a cyclic number.

It is not a de Polignac number, because 74706166141 - 2⁵ = 74706166109 is a prime.

It is a super-2 number, since 2×74706166141² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74706176141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2472370 + ... + 2502403.

It is an arithmetic number, because the mean of its divisors is an integer number (18677788983).

Almost surely, 2^74706166141 is an apocalyptic number.

It is an amenable number.

74706166141 is a deficient number, since it is larger than the sum of its proper divisors (4989791).

74706166141 is a wasteful number, since it uses less digits than its factorization.

74706166141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4989790.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 74706166141 in words is "seventy-four billion, seven hundred six million, one hundred sixty-six thousand, one hundred forty-one".