74947987595448 has 512 divisors, whose sum is σ = 237302866944000. Its totient is φ = 21711836160000.

The previous prime is 74947987595419. The next prime is 74947987595471. The reversal of 74947987595448 is 84459578974947.

It is a happy number.

74947987595448 is a `hidden beast` number, since 7 + 4 + 9 + 4 + 7 + 9 + 8 + 7 + 59 + 544 + 8 = 666.

74947987595448 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 2705591998 + ... + 2705619698.

It is an arithmetic number, because the mean of its divisors is an integer number (463482162000).

Almost surely, 2^{74947987595448} 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 74947987595448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118651433472000).

74947987595448 is an abundant number, since it is smaller than the sum of its proper divisors (162354879348552).

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

74947987595448 is a wasteful number, since it uses less digits than its factorization.

74947987595448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28204 (or 28194 counting only the distinct ones).

The product of its digits is 102419251200, while the sum is 90.

The spelling of 74947987595448 in words is "seventy-four trillion, nine hundred forty-seven billion, nine hundred eighty-seven million, five hundred ninety-five thousand, four hundred forty-eight".