74899534480 has 20 divisors (see below), whose sum is σ = 174141417852. Its totient is φ = 29959813760.

The previous prime is 74899534393. The next prime is 74899534511. The reversal of 74899534480 is 8443599847.

It can be written as a sum of positive squares in 2 ways, for example, as 39273726976 + 35625807504 = 198176^2 + 188748^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 468122011 + ... + 468122170.

Almost surely, 2^74899534480 is an apocalyptic number.

It is an amenable number.

74899534480 is an abundant number, since it is smaller than the sum of its proper divisors (99241883372).

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

74899534480 is a wasteful number, since it uses less digits than its factorization.

74899534480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936244194 (or 936244188 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 61.

The spelling of 74899534480 in words is "seventy-four billion, eight hundred ninety-nine million, five hundred thirty-four thousand, four hundred eighty".