74218459008 has 64 divisors (see below), whose sum is σ = 197280501120. Its totient is φ = 24722204160.

The previous prime is 74218458959. The next prime is 74218459103. The reversal of 74218459008 is 80095481247.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 488863 + ... + 622433.

It is an arithmetic number, because the mean of its divisors is an integer number (3082507830).

Almost surely, 2^74218459008 is an apocalyptic number.

It is an amenable number.

74218459008 is an abundant number, since it is smaller than the sum of its proper divisors (123062042112).

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

74218459008 is a wasteful number, since it uses less digits than its factorization.

74218459008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135035 (or 135023 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 74218459008 in words is "seventy-four billion, two hundred eighteen million, four hundred fifty-nine thousand, eight".