74486468447 has 4 divisors (see below), whose sum is σ = 74487065616. Its totient is φ = 74485871280.

The previous prime is 74486468363. The next prime is 74486468449.

74486468447 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 74486468447 - 2²⁸ = 74218032991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74486468447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74486468449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32363 + ... + 387324.

It is an arithmetic number, because the mean of its divisors is an integer number (18621766404).

Almost surely, 2^74486468447 is an apocalyptic number.

74486468447 is a deficient number, since it is larger than the sum of its proper divisors (597169).

74486468447 is a wasteful number, since it uses less digits than its factorization.

74486468447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597168.

The product of its digits is 115605504, while the sum is 62.

The spelling of 74486468447 in words is "seventy-four billion, four hundred eighty-six million, four hundred sixty-eight thousand, four hundred forty-seven".