42750266 has 16 divisors (see below), whose sum is σ = 72693600. Its totient is φ = 18692208.

The previous prime is 42750233. The next prime is 42750269. The reversal of 42750266 is 66205724.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42750269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42776 + ... + 43763.

It is an arithmetic number, because the mean of its divisors is an integer number (4543350).

Almost surely, 2^42750266 is an apocalyptic number.

42750266 is a deficient number, since it is larger than the sum of its proper divisors (29943334).

42750266 is a wasteful number, since it uses less digits than its factorization.

42750266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86573.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 42750266 is about 6538.3687568078. The cubic root of 42750266 is about 349.6602580773.

The spelling of 42750266 in words is "forty-two million, seven hundred fifty thousand, two hundred sixty-six".