74345171457712 has 20 divisors (see below), whose sum is σ = 145469945640096. Its totient is φ = 36804540324800.

The previous prime is 74345171457707. The next prime is 74345171457719. The reversal of 74345171457712 is 21775417154347.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (74345171457719) 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, 23002836088 + ... + 23002839319.

Almost surely, 2^{74345171457712} is an apocalyptic number.

It is an amenable number.

74345171457712 is a deficient number, since it is larger than the sum of its proper divisors (71124774182384).

74345171457712 is a wasteful number, since it uses less digits than its factorization.

74345171457712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46005675516 (or 46005675510 counting only the distinct ones).

The product of its digits is 23049600, while the sum is 58.

The spelling of 74345171457712 in words is "seventy-four trillion, three hundred forty-five billion, one hundred seventy-one million, four hundred fifty-seven thousand, seven hundred twelve".