42213768 has 32 divisors (see below), whose sum is σ = 106725600. Its totient is φ = 13912448.

The previous prime is 42213761. The next prime is 42213779. The reversal of 42213768 is 86731224.

It is not an unprimeable number, because it can be changed into a prime (42213761) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7746 + ... + 12017.

It is an arithmetic number, because the mean of its divisors is an integer number (3335175).

Almost surely, 2^42213768 is an apocalyptic number.

It is an amenable number.

42213768 is an abundant number, since it is smaller than the sum of its proper divisors (64511832).

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

42213768 is a wasteful number, since it uses less digits than its factorization.

42213768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19861 (or 19857 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 42213768 is about 6497.2123252977. The cubic root of 42213768 is about 348.1913995335.

The spelling of 42213768 in words is "forty-two million, two hundred thirteen thousand, seven hundred sixty-eight".