67642282 has 4 divisors (see below), whose sum is σ = 101463426. Its totient is φ = 33821140.

The previous prime is 67642199. The next prime is 67642283. The reversal of 67642282 is 28224676.

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., 43837641 + 23804641 = 6621^2 + 4879^2 .

It is not an unprimeable number, because it can be changed into a prime (67642283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16910569 + ... + 16910572.

Almost surely, 2^67642282 is an apocalyptic number.

67642282 is a deficient number, since it is larger than the sum of its proper divisors (33821144).

67642282 is a wasteful number, since it uses less digits than its factorization.

67642282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33821143.

The product of its digits is 64512, while the sum is 37.

The square root of 67642282 is about 8224.4928111100. The cubic root of 67642282 is about 407.4485252456.

The spelling of 67642282 in words is "sixty-seven million, six hundred forty-two thousand, two hundred eighty-two".