74321174042 has 8 divisors (see below), whose sum is σ = 114200828532. Its totient is φ = 36254231200.

The previous prime is 74321174021. The next prime is 74321174047. The reversal of 74321174042 is 24047112347.

It can be written as a sum of positive squares in 2 ways, for example, as 69316884961 + 5004289081 = 263281^2 + 70741^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 74321173993 and 74321174011.

It is not an unprimeable number, because it can be changed into a prime (74321174047) 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, 453177809 + ... + 453177972.

Almost surely, 2^74321174042 is an apocalyptic number.

74321174042 is a deficient number, since it is larger than the sum of its proper divisors (39879654490).

74321174042 is a wasteful number, since it uses less digits than its factorization.

74321174042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906355824.

The product of its (nonzero) digits is 37632, while the sum is 35.

Adding to 74321174042 its reverse (24047112347), we get a palindrome (98368286389).

The spelling of 74321174042 in words is "seventy-four billion, three hundred twenty-one million, one hundred seventy-four thousand, forty-two".