42210766 has 16 divisors (see below), whose sum is σ = 68315184. Its totient is φ = 19445184.

The previous prime is 42210743. The next prime is 42210781. The reversal of 42210766 is 66701224.

It is a congruent number.

It is an unprimeable number.

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, 16570 + ... + 18946.

It is an arithmetic number, because the mean of its divisors is an integer number (4269699).

Almost surely, 2^42210766 is an apocalyptic number.

42210766 is a deficient number, since it is larger than the sum of its proper divisors (26104418).

42210766 is a wasteful number, since it uses less digits than its factorization.

42210766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 42210766 is about 6496.9812990342. The cubic root of 42210766 is about 348.1831455490.

The spelling of 42210766 in words is "forty-two million, two hundred ten thousand, seven hundred sixty-six".