72531030425472 has 192 divisors, whose sum is σ = 209767954556160. Its totient is φ = 24055388328960.

The previous prime is 72531030425461. The next prime is 72531030425507. The reversal of 72531030425472 is 27452403013527.

72531030425472 is a `hidden beast` number, since 7 + 2 + 5 + 31 + 0 + 30 + 42 + 547 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198930697 + ... + 199294967.

It is an arithmetic number, because the mean of its divisors is an integer number (1092541429980).

Almost surely, 2^{72531030425472} is an apocalyptic number.

72531030425472 is a gapful number since it is divisible by the number (72) 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 72531030425472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104883977278080).

72531030425472 is an abundant number, since it is smaller than the sum of its proper divisors (137236924130688).

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

72531030425472 is a wasteful number, since it uses less digits than its factorization.

72531030425472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365161 (or 365146 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 45.

Adding to 72531030425472 its reverse (27452403013527), we get a palindrome (99983433438999).

The spelling of 72531030425472 in words is "seventy-two trillion, five hundred thirty-one billion, thirty million, four hundred twenty-five thousand, four hundred seventy-two".