67500576720 has 320 divisors, whose sum is σ = 249305472000. Its totient is φ = 16726155264.

The previous prime is 67500576719. The next prime is 67500576743. The reversal of 67500576720 is 2767500576.

67500576720 is a `hidden beast` number, since 6 + 7 + 5 + 0 + 0 + 576 + 72 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2889246 + ... + 2912514.

It is an arithmetic number, because the mean of its divisors is an integer number (779079600).

Almost surely, 2^67500576720 is an apocalyptic number.

67500576720 is a gapful number since it is divisible by the number (60) 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 67500576720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124652736000).

67500576720 is an abundant number, since it is smaller than the sum of its proper divisors (181804895280).

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

67500576720 is a wasteful number, since it uses less digits than its factorization.

67500576720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23387 (or 23375 counting only the distinct ones).

The product of its (nonzero) digits is 617400, while the sum is 45.

The spelling of 67500576720 in words is "sixty-seven billion, five hundred million, five hundred seventy-six thousand, seven hundred twenty".