42708256 has 12 divisors (see below), whose sum is σ = 84081942. Its totient is φ = 21354112.

The previous prime is 42708247. The next prime is 42708277. The reversal of 42708256 is 65280724.

It can be written as a sum of positive squares in only one way, i.e., 42458256 + 250000 = 6516^2 + 500^2 .

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 as a sum of consecutive naturals, namely, 667285 + ... + 667348.

Almost surely, 2^42708256 is an apocalyptic number.

It is an amenable number.

42708256 is a deficient number, since it is larger than the sum of its proper divisors (41373686).

42708256 is a wasteful number, since it uses less digits than its factorization.

42708256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334643 (or 1334635 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 42708256 is about 6535.1553921846. The cubic root of 42708256 is about 349.5456853657.

The spelling of 42708256 in words is "forty-two million, seven hundred eight thousand, two hundred fifty-six".