74325455568 has 180 divisors, whose sum is σ = 260581829508. Its totient is φ = 19602293760.

The previous prime is 74325455563. The next prime is 74325455569. The reversal of 74325455568 is 86555452347.

74325455568 is a `hidden beast` number, since 7 + 4 + 3 + 25 + 4 + 55 + 568 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5551442064 + 68774013504 = 74508^2 + 262248^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74325455563) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 313413 + ... + 496868.

Almost surely, 2^74325455568 is an apocalyptic number.

74325455568 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

74325455568 is an abundant number, since it is smaller than the sum of its proper divisors (186256373940).

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

74325455568 is a wasteful number, since it uses less digits than its factorization.

74325455568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810322 (or 810306 counting only the distinct ones).

The product of its digits is 20160000, while the sum is 54.

The spelling of 74325455568 in words is "seventy-four billion, three hundred twenty-five million, four hundred fifty-five thousand, five hundred sixty-eight".