74251233342 has 96 divisors (see below), whose sum is σ = 189267886080. Its totient is φ = 20740484160.

The previous prime is 74251233341. The next prime is 74251233373. The reversal of 74251233342 is 24333215247.

74251233342 is a `hidden beast` number, since 74 + 2 + 512 + 3 + 33 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 74251233297 and 74251233306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74251233341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1851459 + ... + 1891137.

It is an arithmetic number, because the mean of its divisors is an integer number (1971540480).

Almost surely, 2^74251233342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74251233342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94633943040).

74251233342 is an abundant number, since it is smaller than the sum of its proper divisors (115016652738).

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

74251233342 is a wasteful number, since it uses less digits than its factorization.

74251233342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40438 (or 40435 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

Adding to 74251233342 its reverse (24333215247), we get a palindrome (98584448589).

The spelling of 74251233342 in words is "seventy-four billion, two hundred fifty-one million, two hundred thirty-three thousand, three hundred forty-two".