74668809384 has 384 divisors, whose sum is σ = 236029248000. Its totient is φ = 21129818112.

The previous prime is 74668809359. The next prime is 74668809409. The reversal of 74668809384 is 48390886647.

74668809384 is a `hidden beast` number, since 7 + 466 + 8 + 8 + 0 + 93 + 84 = 666.

It is an interprime number because it is at equal distance from previous prime (74668809359) and next prime (74668809409).

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 131227852 + ... + 131228420.

It is an arithmetic number, because the mean of its divisors is an integer number (614659500).

Almost surely, 2^74668809384 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 74668809384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118014624000).

74668809384 is an abundant number, since it is smaller than the sum of its proper divisors (161360438616).

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

74668809384 is a wasteful number, since it uses less digits than its factorization.

74668809384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 63.

The spelling of 74668809384 in words is "seventy-four billion, six hundred sixty-eight million, eight hundred nine thousand, three hundred eighty-four".