74363856115680 has 144 divisors (see below), whose sum is σ = 256617970212240. Its totient is φ = 19607548545024.

The previous prime is 74363856115669. The next prime is 74363856115691. The reversal of 74363856115680 is 8651165836347.

74363856115680 is a `hidden beast` number, since 7 + 4 + 3 + 6 + 3 + 8 + 5 + 61 + 1 + 568 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (74363856115669) and next prime (74363856115691).

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 289993002 + ... + 290249321.

It is an arithmetic number, because the mean of its divisors is an integer number (1782069237585).

Almost surely, 2^{74363856115680} is an apocalyptic number.

It is an amenable number.

74363856115680 is an abundant number, since it is smaller than the sum of its proper divisors (182254114096560).

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

74363856115680 is a wasteful number, since it uses less digits than its factorization.

74363856115680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580242433 (or 580242422 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 63.

The spelling of 74363856115680 in words is "seventy-four trillion, three hundred sixty-three billion, eight hundred fifty-six million, one hundred fifteen thousand, six hundred eighty".