74129711841 has 32 divisors (see below), whose sum is σ = 112492533120. Its totient is φ = 48220365312.

The previous prime is 74129711783. The next prime is 74129711849. The reversal of 74129711841 is 14811792147.

It is not a de Polignac number, because 74129711841 - 2³¹ = 71982228193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74129711849) 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, 1101621 + ... + 1166973.

It is an arithmetic number, because the mean of its divisors is an integer number (3515391660).

Almost surely, 2^74129711841 is an apocalyptic number.

It is an amenable number.

74129711841 is a deficient number, since it is larger than the sum of its proper divisors (38362821279).

74129711841 is a wasteful number, since it uses less digits than its factorization.

74129711841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66382 (or 66376 counting only the distinct ones).

The product of its digits is 112896, while the sum is 45.

The spelling of 74129711841 in words is "seventy-four billion, one hundred twenty-nine million, seven hundred eleven thousand, eight hundred forty-one".