73521093120 has 80 divisors (see below), whose sum is σ = 235037769120. Its totient is φ = 19605622784.

The previous prime is 73521093101. The next prime is 73521093131. The reversal of 73521093120 is 2139012537.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×73521093120² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4778850 + ... + 4794209.

It is an arithmetic number, because the mean of its divisors is an integer number (2937972114).

Almost surely, 2^73521093120 is an apocalyptic number.

It is an amenable number.

73521093120 is an abundant number, since it is smaller than the sum of its proper divisors (161516676000).

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

73521093120 is an equidigital number, since it uses as much as digits as its factorization.

73521093120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9573085 (or 9573069 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The spelling of 73521093120 in words is "seventy-three billion, five hundred twenty-one million, ninety-three thousand, one hundred twenty".