73448266320000 has 2240 divisors, whose sum is σ = 322105369037760. Its totient is φ = 16434109440000.

The previous prime is 73448266319983. The next prime is 73448266320007. The reversal of 73448266320000 is 2366284437.

73448266320000 is a `hidden beast` number, since 7 + 3 + 4 + 4 + 8 + 2 + 6 + 632 + 0 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (73448266320007) by changing a digit.

It is a polite number, since it can be written in 279 ways as a sum of consecutive naturals, for example, 8339755597 + ... + 8339764403.

It is an arithmetic number, because the mean of its divisors is an integer number (143797039749).

Almost surely, 2^{73448266320000} 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 73448266320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161052684518880).

73448266320000 is an abundant number, since it is smaller than the sum of its proper divisors (248657102717760).

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

73448266320000 is an equidigital number, since it uses as much as digits as its factorization.

73448266320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8883 (or 8841 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

The spelling of 73448266320000 in words is "seventy-three trillion, four hundred forty-eight billion, two hundred sixty-six million, three hundred twenty thousand".