74848454871 has 4 divisors (see below), whose sum is σ = 99797939832. Its totient is φ = 49898969912.

The previous prime is 74848454851. The next prime is 74848454893. The reversal of 74848454871 is 17845484847.

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 74848454871 - 2¹⁰ = 74848453847 is a prime.

It is a super-2 number, since 2×74848454871² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74848454831) 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, 12474742476 + ... + 12474742481.

It is an arithmetic number, because the mean of its divisors is an integer number (24949484958).

Almost surely, 2^74848454871 is an apocalyptic number.

74848454871 is a deficient number, since it is larger than the sum of its proper divisors (24949484961).

74848454871 is a wasteful number, since it uses less digits than its factorization.

74848454871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24949484960.

The product of its digits is 32112640, while the sum is 60.

The spelling of 74848454871 in words is "seventy-four billion, eight hundred forty-eight million, four hundred fifty-four thousand, eight hundred seventy-one".