67280006 has 4 divisors (see below), whose sum is σ = 100920012. Its totient is φ = 33640002.

The previous prime is 67279963. The next prime is 67280009. The reversal of 67280006 is 60008276.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67280009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16820000 + ... + 16820003.

It is an arithmetic number, because the mean of its divisors is an integer number (25230003).

Almost surely, 2^67280006 is an apocalyptic number.

67280006 is a deficient number, since it is larger than the sum of its proper divisors (33640006).

67280006 is a wasteful number, since it uses less digits than its factorization.

67280006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33640005.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 67280006 is about 8202.4390275088. The cubic root of 67280006 is about 406.7198235927.

The spelling of 67280006 in words is "sixty-seven million, two hundred eighty thousand, six".