67842146 has 4 divisors (see below), whose sum is σ = 101763222. Its totient is φ = 33921072.

The previous prime is 67842113. The next prime is 67842161. The reversal of 67842146 is 64124876.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 43230625 + 24611521 = 6575^2 + 4961^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16960535 + ... + 16960538.

Almost surely, 2^67842146 is an apocalyptic number.

67842146 is a deficient number, since it is larger than the sum of its proper divisors (33921076).

67842146 is a wasteful number, since it uses less digits than its factorization.

67842146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33921075.

The product of its digits is 64512, while the sum is 38.

The square root of 67842146 is about 8236.6343854757. The cubic root of 67842146 is about 407.8494294132.

It can be divided in two parts, 678 and 42146, that added together give a palindrome (42824).

The spelling of 67842146 in words is "sixty-seven million, eight hundred forty-two thousand, one hundred forty-six".