74685058647 has 32 divisors (see below), whose sum is σ = 104134947840. Its totient is φ = 47564912640.

The previous prime is 74685058633. The next prime is 74685058667.

74685058647 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74685058647 - 2¹¹ = 74685056599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74685058607) 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 31 ways as a sum of consecutive naturals, for example, 11449747 + ... + 11456267.

It is an arithmetic number, because the mean of its divisors is an integer number (3254217120).

Almost surely, 2^74685058647 is an apocalyptic number.

74685058647 is a deficient number, since it is larger than the sum of its proper divisors (29449889193).

74685058647 is a wasteful number, since it uses less digits than its factorization.

74685058647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8503.

The product of its (nonzero) digits is 45158400, while the sum is 60.

The spelling of 74685058647 in words is "seventy-four billion, six hundred eighty-five million, fifty-eight thousand, six hundred forty-seven".