74492814240 has 384 divisors, whose sum is σ = 281881555200. Its totient is φ = 18264821760.

The previous prime is 74492814203. The next prime is 74492814289. The reversal of 74492814240 is 4241829447.

74492814240 is a `hidden beast` number, since 7 + 4 + 492 + 81 + 42 + 40 = 666.

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 63 ways as a sum of consecutive naturals, for example, 15104575 + ... + 15109505.

It is an arithmetic number, because the mean of its divisors is an integer number (734066550).

Almost surely, 2^74492814240 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 74492814240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140940777600).

74492814240 is an abundant number, since it is smaller than the sum of its proper divisors (207388740960).

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

74492814240 is a wasteful number, since it uses less digits than its factorization.

74492814240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5237 (or 5223 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 74492814240 in words is "seventy-four billion, four hundred ninety-two million, eight hundred fourteen thousand, two hundred forty".