42486756 has 24 divisors (see below), whose sum is σ = 106761984. Its totient is φ = 13072800.

The previous prime is 42486751. The next prime is 42486797. The reversal of 42486756 is 65768424.

It is not an unprimeable number, because it can be changed into a prime (42486751) by changing a digit.

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, 136020 + ... + 136331.

It is an arithmetic number, because the mean of its divisors is an integer number (4448416).

Almost surely, 2^42486756 is an apocalyptic number.

It is an amenable number.

42486756 is an abundant number, since it is smaller than the sum of its proper divisors (64275228).

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

42486756 is a wasteful number, since it uses less digits than its factorization.

42486756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272371 (or 272369 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 42486756 is about 6518.1865576248. The cubic root of 42486756 is about 348.9403488059.

The spelling of 42486756 in words is "forty-two million, four hundred eighty-six thousand, seven hundred fifty-six".