74529285809504 has 96 divisors (see below), whose sum is σ = 158080369305600. Its totient is φ = 34487572838400.

The previous prime is 74529285809497. The next prime is 74529285809519. The reversal of 74529285809504 is 40590858292547.

It is a super-2 number, since 2×74529285809504² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112174472 + ... + 112836920.

It is an arithmetic number, because the mean of its divisors is an integer number (1646670513600).

Almost surely, 2^{74529285809504} 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 74529285809504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79040184652800).

74529285809504 is an abundant number, since it is smaller than the sum of its proper divisors (83551083496096).

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

74529285809504 is a wasteful number, since it uses less digits than its factorization.

74529285809504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667444 (or 667436 counting only the distinct ones).

The product of its (nonzero) digits is 290304000, while the sum is 68.

The spelling of 74529285809504 in words is "seventy-four trillion, five hundred twenty-nine billion, two hundred eighty-five million, eight hundred nine thousand, five hundred four".