42270666 has 8 divisors (see below), whose sum is σ = 84541344. Its totient is φ = 14090220.

The previous prime is 42270643. The next prime is 42270673. The reversal of 42270666 is 66607224.

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

42270666 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3522550 + ... + 3522561.

It is an arithmetic number, because the mean of its divisors is an integer number (10567668).

Almost surely, 2^42270666 is an apocalyptic number.

42270666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42270666 is a wasteful number, since it uses less digits than its factorization.

42270666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7045116.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 42270666 is about 6501.5894979612. The cubic root of 42270666 is about 348.3477663690.

The spelling of 42270666 in words is "forty-two million, two hundred seventy thousand, six hundred sixty-six".