42467666 has 8 divisors (see below), whose sum is σ = 67448700. Its totient is φ = 19984768.

The previous prime is 42467647. The next prime is 42467699. The reversal of 42467666 is 66676424.

It can be written as a sum of positive squares in 2 ways, for example, as 38800441 + 3667225 = 6229^2 + 1915^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624491 + ... + 624558.

Almost surely, 2^42467666 is an apocalyptic number.

42467666 is a deficient number, since it is larger than the sum of its proper divisors (24981034).

42467666 is a wasteful number, since it uses less digits than its factorization.

42467666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249068.

The product of its digits is 290304, while the sum is 41.

The square root of 42467666 is about 6516.7220287503. The cubic root of 42467666 is about 348.8880794259. Note that the first 3 decimals are identical.

The spelling of 42467666 in words is "forty-two million, four hundred sixty-seven thousand, six hundred sixty-six".