72345487608 has 128 divisors (see below), whose sum is σ = 208404705600. Its totient is φ = 23526754560.

The previous prime is 72345487549. The next prime is 72345487633. The reversal of 72345487608 is 80678454327.

72345487608 is a `hidden beast` number, since 7 + 2 + 34 + 548 + 7 + 60 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 666910 + ... + 767762.

Almost surely, 2^72345487608 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 72345487608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104202352800).

72345487608 is an abundant number, since it is smaller than the sum of its proper divisors (136059217992).

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

72345487608 is a wasteful number, since it uses less digits than its factorization.

72345487608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100921 (or 100899 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 72345487608 in words is "seventy-two billion, three hundred forty-five million, four hundred eighty-seven thousand, six hundred eight".