74987599841 has 16 divisors (see below), whose sum is σ = 93504428160. Its totient is φ = 58423524480.

The previous prime is 74987599831. The next prime is 74987599933. The reversal of 74987599841 is 14899578947.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74987599841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74987599831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501335 + ... + 633491.

It is an arithmetic number, because the mean of its divisors is an integer number (5844026760).

Almost surely, 2^74987599841 is an apocalyptic number.

It is an amenable number.

74987599841 is a deficient number, since it is larger than the sum of its proper divisors (18516828319).

74987599841 is a wasteful number, since it uses less digits than its factorization.

74987599841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139544.

The product of its digits is 182891520, while the sum is 71.

The spelling of 74987599841 in words is "seventy-four billion, nine hundred eighty-seven million, five hundred ninety-nine thousand, eight hundred forty-one".