67575150720 has 1728 divisors, whose sum is σ = 320407214400. Its totient is φ = 13302558720.

The previous prime is 67575150703. The next prime is 67575150743. The reversal of 67575150720 is 2705157576.

It is a happy number.

67575150720 is a `hidden beast` number, since 6 + 7 + 575 + 1 + 5 + 0 + 72 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1728).

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 215 ways as a sum of consecutive naturals, for example, 3556586871 + ... + 3556586889.

Almost surely, 2^67575150720 is an apocalyptic number.

67575150720 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 67575150720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160203607200).

67575150720 is an abundant number, since it is smaller than the sum of its proper divisors (252832063680).

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

67575150720 is an equidigital number, since it uses as much as digits as its factorization.

67575150720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 514500, while the sum is 45.

The spelling of 67575150720 in words is "sixty-seven billion, five hundred seventy-five million, one hundred fifty thousand, seven hundred twenty".