74014640185 has 16 divisors (see below), whose sum is σ = 90962311824. Its totient is φ = 57793462272.

The previous prime is 74014640179. The next prime is 74014640233. The reversal of 74014640185 is 58104641047.

It can be written as a sum of positive squares in 8 ways, for example, as 228523689 + 73786116496 = 15117^2 + 271636^2 .

It is a cyclic number.

It is not a de Polignac number, because 74014640185 - 2¹⁵ = 74014607417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 672432 + ... + 774721.

It is an arithmetic number, because the mean of its divisors is an integer number (5685144489).

Almost surely, 2^74014640185 is an apocalyptic number.

It is an amenable number.

74014640185 is a deficient number, since it is larger than the sum of its proper divisors (16947671639).

74014640185 is a wasteful number, since it uses less digits than its factorization.

74014640185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447404.

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 74014640185 in words is "seventy-four billion, fourteen million, six hundred forty thousand, one hundred eighty-five".