73660320000 has 1080 divisors, whose sum is σ = 294050248800. Its totient is φ = 18173952000.

The previous prime is 73660319951. The next prime is 73660320037. The reversal of 73660320000 is 2306637.

73660320000 is a `hidden beast` number, since 7 + 36 + 603 + 20 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1080).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1248479971 + ... + 1248480029.

Almost surely, 2^73660320000 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 73660320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147025124400).

73660320000 is an abundant number, since it is smaller than the sum of its proper divisors (220389928800).

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

73660320000 is an equidigital number, since it uses as much as digits as its factorization.

73660320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

Adding to 73660320000 its reverse (2306637), we get a palindrome (73662626637).

The spelling of 73660320000 in words is "seventy-three billion, six hundred sixty million, three hundred twenty thousand".