74043703728 has 120 divisors (see below), whose sum is σ = 222053006448. Its totient is φ = 22949462016.

The previous prime is 74043703709. The next prime is 74043703753. The reversal of 74043703728 is 82730734047.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20976 + ... + 385392.

Almost surely, 2^74043703728 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 74043703728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111026503224).

74043703728 is an abundant number, since it is smaller than the sum of its proper divisors (148009302720).

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

74043703728 is a wasteful number, since it uses less digits than its factorization.

74043703728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364531 (or 364522 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 45.

The spelling of 74043703728 in words is "seventy-four billion, forty-three million, seven hundred three thousand, seven hundred twenty-eight".