74061043056 has 540 divisors, whose sum is σ = 282017355984. Its totient is φ = 17751951360.

The previous prime is 74061043051. The next prime is 74061043079. The reversal of 74061043056 is 65034016047.

It is a happy number.

74061043056 is a `hidden beast` number, since 7 + 4 + 0 + 610 + 4 + 30 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 74061043056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74061043051) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 20610796 + ... + 20614388.

Almost surely, 2^74061043056 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 74061043056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141008677992).

74061043056 is an abundant number, since it is smaller than the sum of its proper divisors (207956312928).

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

74061043056 is a wasteful number, since it uses less digits than its factorization.

74061043056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3662 (or 3629 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 74061043056 in words is "seventy-four billion, sixty-one million, forty-three thousand, fifty-six".