74146340872 has 16 divisors (see below), whose sum is σ = 139801064400. Its totient is φ = 36866057040.

The previous prime is 74146340869. The next prime is 74146340881. The reversal of 74146340872 is 27804364147.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25887654 + ... + 25890517.

It is an arithmetic number, because the mean of its divisors is an integer number (8737566525).

Almost surely, 2^74146340872 is an apocalyptic number.

It is an amenable number.

74146340872 is a deficient number, since it is larger than the sum of its proper divisors (65654723528).

74146340872 is a wasteful number, since it uses less digits than its factorization.

74146340872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51778356 (or 51778352 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 46.

The spelling of 74146340872 in words is "seventy-four billion, one hundred forty-six million, three hundred forty thousand, eight hundred seventy-two".