74281228080 has 160 divisors (see below), whose sum is σ = 245806410240. Its totient is φ = 18501396480.

The previous prime is 74281228079. The next prime is 74281228117. The reversal of 74281228080 is 8082218247.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209044 + ... + 438476.

It is an arithmetic number, because the mean of its divisors is an integer number (1536290064).

Almost surely, 2^74281228080 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 74281228080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122903205120).

74281228080 is an abundant number, since it is smaller than the sum of its proper divisors (171525182160).

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

74281228080 is a wasteful number, since it uses less digits than its factorization.

74281228080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229539 (or 229533 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 42.

The spelling of 74281228080 in words is "seventy-four billion, two hundred eighty-one million, two hundred twenty-eight thousand, eighty".