42726868 has 12 divisors (see below), whose sum is σ = 74868640. Its totient is φ = 21335832.

The previous prime is 42726857. The next prime is 42726881. The reversal of 42726868 is 86862724.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 3198 + ... + 9781.

Almost surely, 2^42726868 is an apocalyptic number.

It is an amenable number.

42726868 is a deficient number, since it is larger than the sum of its proper divisors (32141772).

42726868 is a wasteful number, since it uses less digits than its factorization.

42726868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13806 (or 13804 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 42726868 is about 6536.5792277001. The cubic root of 42726868 is about 349.5964546242.

The spelling of 42726868 in words is "forty-two million, seven hundred twenty-six thousand, eight hundred sixty-eight".