74325680455680 has 2240 divisors, whose sum is σ = 297067169520000. Its totient is φ = 17758817353728.

The previous prime is 74325680455549. The next prime is 74325680455751. The reversal of 74325680455680 is 8655408652347.

74325680455680 is a `hidden beast` number, since 7 + 4 + 3 + 2 + 5 + 68 + 0 + 4 + 5 + 568 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 835120005076 + ... + 835120005164.

Almost surely, 2^{74325680455680} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74325680455680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148533584760000).

74325680455680 is an abundant number, since it is smaller than the sum of its proper divisors (222741489064320).

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

74325680455680 is an frugal number, since it uses more digits than its factorization.

74325680455680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 193536000, while the sum is 63.

The spelling of 74325680455680 in words is "seventy-four trillion, three hundred twenty-five billion, six hundred eighty million, four hundred fifty-five thousand, six hundred eighty".