73529560720 has 720 divisors, whose sum is σ = 236891088000. Its totient is φ = 21076070400.

The previous prime is 73529560717. The next prime is 73529560801. The reversal of 73529560720 is 2706592537.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 369495181 + ... + 369495379.

It is an arithmetic number, because the mean of its divisors is an integer number (329015400).

Almost surely, 2^73529560720 is an apocalyptic number.

73529560720 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73529560720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118445544000).

73529560720 is an abundant number, since it is smaller than the sum of its proper divisors (163361527280).

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

73529560720 is a wasteful number, since it uses less digits than its factorization.

73529560720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 46.

The spelling of 73529560720 in words is "seventy-three billion, five hundred twenty-nine million, five hundred sixty thousand, seven hundred twenty".