67004550720 has 672 divisors, whose sum is σ = 254572471296. Its totient is φ = 16102195200.

The previous prime is 67004550713. The next prime is 67004550763. The reversal of 67004550720 is 2705540076.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 198826392 + ... + 198826728.

Almost surely, 2^67004550720 is an apocalyptic number.

67004550720 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 67004550720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127286235648).

67004550720 is an abundant number, since it is smaller than the sum of its proper divisors (187567920576).

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

67004550720 is a wasteful number, since it uses less digits than its factorization.

67004550720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The spelling of 67004550720 in words is "sixty-seven billion, four million, five hundred fifty thousand, seven hundred twenty".