74811285480 has 128 divisors (see below), whose sum is σ = 228401971200. Its totient is φ = 19600019712.

The previous prime is 74811285457. The next prime is 74811285503. The reversal of 74811285480 is 8458211847.

It is an interprime number because it is at equal distance from previous prime (74811285457) and next prime (74811285503).

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, 1545891 + ... + 1593549.

It is an arithmetic number, because the mean of its divisors is an integer number (1784390400).

Almost surely, 2^74811285480 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 74811285480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114200985600).

74811285480 is an abundant number, since it is smaller than the sum of its proper divisors (153590685720).

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

74811285480 is a wasteful number, since it uses less digits than its factorization.

74811285480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47903 (or 47899 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 48.

The spelling of 74811285480 in words is "seventy-four billion, eight hundred eleven million, two hundred eighty-five thousand, four hundred eighty".