74122923042 has 64 divisors (see below), whose sum is σ = 188593367040. Its totient is φ = 21139202448.

The previous prime is 74122923019. The next prime is 74122923047. The reversal of 74122923042 is 24032922147.

It is a happy number.

74122923042 is a `hidden beast` number, since 7 + 412 + 2 + 9 + 230 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 74122922988 and 74122923006.

It is not an unprimeable number, because it can be changed into a prime (74122923047) 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, 27523 + ... + 386009.

It is an arithmetic number, because the mean of its divisors is an integer number (2946771360).

Almost surely, 2^74122923042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74122923042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94296683520).

74122923042 is an abundant number, since it is smaller than the sum of its proper divisors (114470443998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74122923042 is a wasteful number, since it uses less digits than its factorization.

74122923042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359052 (or 359046 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 74122923042 in words is "seventy-four billion, one hundred twenty-two million, nine hundred twenty-three thousand, forty-two".