74011721016 has 128 divisors (see below), whose sum is σ = 199708891200. Its totient is φ = 22773104640.

The previous prime is 74011720997. The next prime is 74011721027. The reversal of 74011721016 is 61012711047.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5384040 + ... + 5397768.

Almost surely, 2^74011721016 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 74011721016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99854445600).

74011721016 is an abundant number, since it is smaller than the sum of its proper divisors (125697170184).

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

74011721016 is a wasteful number, since it uses less digits than its factorization.

74011721016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14009 (or 14005 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 30.

The spelling of 74011721016 in words is "seventy-four billion, eleven million, seven hundred twenty-one thousand, sixteen".