74839454760 has 256 divisors, whose sum is σ = 265387622400. Its totient is φ = 16521984000.

The previous prime is 74839454713. The next prime is 74839454761. The reversal of 74839454760 is 6745493847.

It is a self number, because there is not a number n which added to its sum of digits gives 74839454760.

It is not an unprimeable number, because it can be changed into a prime (74839454761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14814235 + ... + 14819285.

It is an arithmetic number, because the mean of its divisors is an integer number (1036670400).

Almost surely, 2^74839454760 is an apocalyptic number.

74839454760 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74839454760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132693811200).

74839454760 is an abundant number, since it is smaller than the sum of its proper divisors (190548167640).

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

74839454760 is a wasteful number, since it uses less digits than its factorization.

74839454760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672 (or 5668 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 57.

The spelling of 74839454760 in words is "seventy-four billion, eight hundred thirty-nine million, four hundred fifty-four thousand, seven hundred sixty".