67755140 has 96 divisors (see below), whose sum is σ = 158323200. Its totient is φ = 24261120.

The previous prime is 67755097. The next prime is 67755167. The reversal of 67755140 is 4155776.

It is a self number, because there is not a number n which added to its sum of digits gives 67755140.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 857621 + ... + 857699.

It is an arithmetic number, because the mean of its divisors is an integer number (1649200).

Almost surely, 2^67755140 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 67755140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79161600).

67755140 is an abundant number, since it is smaller than the sum of its proper divisors (90568060).

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

67755140 is a wasteful number, since it uses less digits than its factorization.

67755140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 67755140 is about 8231.3510434193. The cubic root of 67755140 is about 407.6750023051.

The spelling of 67755140 in words is "sixty-seven million, seven hundred fifty-five thousand, one hundred forty".