74408080447 has 4 divisors (see below), whose sum is σ = 75103483176. Its totient is φ = 73712677720.

The previous prime is 74408080399. The next prime is 74408080463.

74408080447 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74408080447 - 2⁷ = 74408080319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74408080397 and 74408080406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74408084447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347701204 + ... + 347701417.

It is an arithmetic number, because the mean of its divisors is an integer number (18775870794).

Almost surely, 2^74408080447 is an apocalyptic number.

74408080447 is a deficient number, since it is larger than the sum of its proper divisors (695402729).

74408080447 is a wasteful number, since it uses less digits than its factorization.

74408080447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695402728.

The product of its (nonzero) digits is 802816, while the sum is 46.

The spelling of 74408080447 in words is "seventy-four billion, four hundred eight million, eighty thousand, four hundred forty-seven".