67282146 has 48 divisors (see below), whose sum is σ = 153349560. Its totient is φ = 21288960.

The previous prime is 67282133. The next prime is 67282151. The reversal of 67282146 is 64128276.

It can be written as a sum of positive squares in 4 ways, for example, as 16088121 + 51194025 = 4011^2 + 7155^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 67282146.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30786 + ... + 32898.

Almost surely, 2^67282146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67282146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76674780).

67282146 is an abundant number, since it is smaller than the sum of its proper divisors (86067414).

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

67282146 is a wasteful number, since it uses less digits than its factorization.

67282146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211 (or 2208 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 67282146 is about 8202.5694754754. The cubic root of 67282146 is about 406.7241357762.

The spelling of 67282146 in words is "sixty-seven million, two hundred eighty-two thousand, one hundred forty-six".