74482974720 has 960 divisors, whose sum is σ = 329772643200. Its totient is φ = 15099494400.

The previous prime is 74482974703. The next prime is 74482974739. The reversal of 74482974720 is 2747928447.

74482974720 is a `hidden beast` number, since 7 + 4 + 4 + 82 + 97 + 472 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

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, 1816657900 + ... + 1816657940.

It is an arithmetic number, because the mean of its divisors is an integer number (343513170).

Almost surely, 2^74482974720 is an apocalyptic number.

74482974720 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 74482974720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164886321600).

74482974720 is an abundant number, since it is smaller than the sum of its proper divisors (255289668480).

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

74482974720 is an equidigital number, since it uses as much as digits as its factorization.

74482974720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 54.

The spelling of 74482974720 in words is "seventy-four billion, four hundred eighty-two million, nine hundred seventy-four thousand, seven hundred twenty".