74425538271 has 32 divisors (see below), whose sum is σ = 116308620288. Its totient is φ = 41444386560.

The previous prime is 74425538269. The next prime is 74425538279. The reversal of 74425538271 is 17283552447.

It is a happy number.

It is not a de Polignac number, because 74425538271 - 2¹ = 74425538269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74425538271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74425538279) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 714981 + ... + 812433.

It is an arithmetic number, because the mean of its divisors is an integer number (3634644384).

Almost surely, 2^74425538271 is an apocalyptic number.

74425538271 is a deficient number, since it is larger than the sum of its proper divisors (41883082017).

74425538271 is a wasteful number, since it uses less digits than its factorization.

74425538271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98391.

The product of its digits is 1881600, while the sum is 48.

The spelling of 74425538271 in words is "seventy-four billion, four hundred twenty-five million, five hundred thirty-eight thousand, two hundred seventy-one".