67755252 has 48 divisors (see below), whose sum is σ = 165090240. Its totient is φ = 21600768.

The previous prime is 67755227. The next prime is 67755271. The reversal of 67755252 is 25255776.

It is a self number, because there is not a number n which added to its sum of digits gives 67755252.

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 15 ways as a sum of consecutive naturals, for example, 38463 + ... + 40185.

It is an arithmetic number, because the mean of its divisors is an integer number (3439380).

Almost surely, 2^67755252 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 67755252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82545120).

67755252 is an abundant number, since it is smaller than the sum of its proper divisors (97334988).

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

67755252 is a wasteful number, since it uses less digits than its factorization.

67755252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872 (or 1870 counting only the distinct ones).

The product of its digits is 147000, while the sum is 39.

The square root of 67755252 is about 8231.3578466739. The cubic root of 67755252 is about 407.6752269354.

The spelling of 67755252 in words is "sixty-seven million, seven hundred fifty-five thousand, two hundred fifty-two".