74654593423680 has 224 divisors, whose sum is σ = 240652476117504. Its totient is φ = 19603715180544.

The previous prime is 74654593423679. The next prime is 74654593423741. The reversal of 74654593423680 is 8632439545647.

It is a happy number.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180081919 + ... + 180496001.

Almost surely, 2^{74654593423680} 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 74654593423680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120326238058752).

74654593423680 is an abundant number, since it is smaller than the sum of its proper divisors (165997882693824).

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

74654593423680 is a wasteful number, since it uses less digits than its factorization.

74654593423680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416973 (or 416963 counting only the distinct ones).

The product of its (nonzero) digits is 522547200, while the sum is 66.

The spelling of 74654593423680 in words is "seventy-four trillion, six hundred fifty-four billion, five hundred ninety-three million, four hundred twenty-three thousand, six hundred eighty".