42768258 has 32 divisors (see below), whose sum is σ = 92400000. Its totient is φ = 13118976.

The previous prime is 42768239. The next prime is 42768281. The reversal of 42768258 is 85286724.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 33618 + ... + 34866.

It is an arithmetic number, because the mean of its divisors is an integer number (2887500).

Almost surely, 2^42768258 is an apocalyptic number.

42768258 is an abundant number, since it is smaller than the sum of its proper divisors (49631742).

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

42768258 is a wasteful number, since it uses less digits than its factorization.

42768258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706.

The product of its digits is 215040, while the sum is 42.

The square root of 42768258 is about 6539.7444904216. The cubic root of 42768258 is about 349.7093042049.

The spelling of 42768258 in words is "forty-two million, seven hundred sixty-eight thousand, two hundred fifty-eight".