74473073934336 has 720 divisors, whose sum is σ = 277404336316800. Its totient is φ = 19343443230720.

The previous prime is 74473073934263. The next prime is 74473073934361. The reversal of 74473073934336 is 63343937037447.

74473073934336 is a `hidden beast` number, since 7 + 4 + 47 + 3 + 0 + 73 + 93 + 433 + 6 = 666.

It is a super-3 number, since 3×74473073934336³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 817450515 + ... + 817541613.

It is an arithmetic number, because the mean of its divisors is an integer number (385283800440).

Almost surely, 2^{74473073934336} 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 74473073934336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138702168158400).

74473073934336 is an abundant number, since it is smaller than the sum of its proper divisors (202931262382464).

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

74473073934336 is an frugal number, since it uses more digits than its factorization.

74473073934336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91163 (or 91122 counting only the distinct ones).

The product of its (nonzero) digits is 288054144, while the sum is 63.

The spelling of 74473073934336 in words is "seventy-four trillion, four hundred seventy-three billion, seventy-three million, nine hundred thirty-four thousand, three hundred thirty-six".