74680044840 has 96 divisors (see below), whose sum is σ = 251079496200. Its totient is φ = 19227962880.

The previous prime is 74680044779. The next prime is 74680044871. The reversal of 74680044840 is 4844008647.

It can be written as a sum of positive squares in 4 ways, for example, as 68682781476 + 5997263364 = 262074^2 + 77442^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 3566191 + ... + 3587070.

Almost surely, 2^74680044840 is an apocalyptic number.

It is an amenable number.

74680044840 is an abundant number, since it is smaller than the sum of its proper divisors (176399451360).

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

74680044840 is a wasteful number, since it uses less digits than its factorization.

74680044840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7153307 (or 7153300 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 45.

The spelling of 74680044840 in words is "seventy-four billion, six hundred eighty million, forty-four thousand, eight hundred forty".