73520490000 has 400 divisors, whose sum is σ = 245092795200. Its totient is φ = 18975744000.

The previous prime is 73520489983. The next prime is 73520490031. The reversal of 73520490000 is 9402537.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 73520490000.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 129209716 + ... + 129210284.

It is an arithmetic number, because the mean of its divisors is an integer number (612731988).

Almost surely, 2^73520490000 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 73520490000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122546397600).

73520490000 is an abundant number, since it is smaller than the sum of its proper divisors (171572305200).

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

73520490000 is a wasteful number, since it uses less digits than its factorization.

73520490000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

Adding to 73520490000 its reverse (9402537), we get a palindrome (73529892537).

The spelling of 73520490000 in words is "seventy-three billion, five hundred twenty million, four hundred ninety thousand".