74320554016 has 24 divisors (see below), whose sum is σ = 146957551020. Its totient is φ = 36998001408.

The previous prime is 74320553953. The next prime is 74320554029. The reversal of 74320554016 is 61045502347.

It can be written as a sum of positive squares in 2 ways, for example, as 68361331600 + 5959222416 = 261460^2 + 77196^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5063671 + ... + 5078326.

Almost surely, 2^74320554016 is an apocalyptic number.

It is an amenable number.

74320554016 is a deficient number, since it is larger than the sum of its proper divisors (72636997004).

74320554016 is a wasteful number, since it uses less digits than its factorization.

74320554016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10142236 (or 10142228 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 74320554016 in words is "seventy-four billion, three hundred twenty million, five hundred fifty-four thousand, sixteen".