74505659904 has 480 divisors, whose sum is σ = 243870891264. Its totient is φ = 21737963520.

The previous prime is 74505659887. The next prime is 74505659933. The reversal of 74505659904 is 40995650547.

74505659904 is a `hidden beast` number, since 7 + 45 + 0 + 5 + 6 + 599 + 0 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98421894 + ... + 98422650.

Almost surely, 2^74505659904 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 74505659904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121935445632).

74505659904 is an abundant number, since it is smaller than the sum of its proper divisors (169365231360).

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

74505659904 is a wasteful number, since it uses less digits than its factorization.

74505659904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 54.

The spelling of 74505659904 in words is "seventy-four billion, five hundred five million, six hundred fifty-nine thousand, nine hundred four".