74146379871 has 16 divisors (see below), whose sum is σ = 99453326336. Its totient is φ = 49135838976.

The previous prime is 74146379863. The next prime is 74146379891. The reversal of 74146379871 is 17897364147.

It is not a de Polignac number, because 74146379871 - 2³ = 74146379863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74146379831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367896 + ... + 532578.

It is an arithmetic number, because the mean of its divisors is an integer number (6215832896).

Almost surely, 2^74146379871 is an apocalyptic number.

74146379871 is a deficient number, since it is larger than the sum of its proper divisors (25306946465).

74146379871 is a wasteful number, since it uses less digits than its factorization.

74146379871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165582.

The product of its digits is 7112448, while the sum is 57.

The spelling of 74146379871 in words is "seventy-four billion, one hundred forty-six million, three hundred seventy-nine thousand, eight hundred seventy-one".