74421907905 has 8 divisors (see below), whose sum is σ = 119075052672. Its totient is φ = 39691684208.

The previous prime is 74421907853. The next prime is 74421907909. The reversal of 74421907905 is 50970912447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74421907905 - 2⁶ = 74421907841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74421907909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2480730249 + ... + 2480730278.

It is an arithmetic number, because the mean of its divisors is an integer number (14884381584).

Almost surely, 2^74421907905 is an apocalyptic number.

It is an amenable number.

74421907905 is a deficient number, since it is larger than the sum of its proper divisors (44653144767).

74421907905 is a wasteful number, since it uses less digits than its factorization.

74421907905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4961460535.

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 74421907905 in words is "seventy-four billion, four hundred twenty-one million, nine hundred seven thousand, nine hundred five".