74315520000 has 360 divisors, whose sum is σ = 268251803820. Its totient is φ = 19814400000.

The previous prime is 74315519969. The next prime is 74315520007. The reversal of 74315520000 is 2551347.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (360).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74315520007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 11516775 + ... + 11523225.

Almost surely, 2^74315520000 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 74315520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134125901910).

74315520000 is an abundant number, since it is smaller than the sum of its proper divisors (193936283820).

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

74315520000 is an equidigital number, since it uses as much as digits as its factorization.

74315520000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6499 (or 6461 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The spelling of 74315520000 in words is "seventy-four billion, three hundred fifteen million, five hundred twenty thousand".