74468122186447 has 16 divisors (see below), whose sum is σ = 84786255551232. Its totient is φ = 64742499169920.

The previous prime is 74468122186427. The next prime is 74468122186453.

74468122186447 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74468122186447 - 2¹¹ = 74468122184399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74468122186427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26833338 + ... + 29478199.

It is an arithmetic number, because the mean of its divisors is an integer number (5299140971952).

Almost surely, 2^{74468122186447} is an apocalyptic number.

74468122186447 is a deficient number, since it is larger than the sum of its proper divisors (10318133364785).

74468122186447 is a wasteful number, since it uses less digits than its factorization.

74468122186447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56316798.

The product of its digits is 115605504, while the sum is 64.

The spelling of 74468122186447 in words is "seventy-four trillion, four hundred sixty-eight billion, one hundred twenty-two million, one hundred eighty-six thousand, four hundred forty-seven".