73525317120 has 480 divisors, whose sum is σ = 260118226368. Its totient is φ = 19190513664.

The previous prime is 73525317083. The next prime is 73525317163. The reversal of 73525317120 is 2171352537.

It is a happy number.

73525317120 is a `hidden beast` number, since 7 + 3 + 52 + 531 + 71 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 373224862 + ... + 373225058.

Almost surely, 2^73525317120 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 73525317120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130059113184).

73525317120 is an abundant number, since it is smaller than the sum of its proper divisors (186592909248).

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

73525317120 is a wasteful number, since it uses less digits than its factorization.

73525317120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

Adding to 73525317120 its reverse (2171352537), we get a palindrome (75696669657).

The spelling of 73525317120 in words is "seventy-three billion, five hundred twenty-five million, three hundred seventeen thousand, one hundred twenty".