42706084 has 12 divisors (see below), whose sum is σ = 74926684. Its totient is φ = 21298464.

The previous prime is 42706063. The next prime is 42706087. The reversal of 42706084 is 48060724.

It can be written as a sum of positive squares in 2 ways, for example, as 35736484 + 6969600 = 5978^2 + 2640^2 .

It is a super-2 number, since 2×42706084² = 3647619221230112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42706087) 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 3 ways as a sum of consecutive naturals, for example, 11859 + ... + 15034.

Almost surely, 2^42706084 is an apocalyptic number.

It is an amenable number.

42706084 is a deficient number, since it is larger than the sum of its proper divisors (32220600).

42706084 is a wasteful number, since it uses less digits than its factorization.

42706084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27294 (or 27292 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 42706084 is about 6534.9892119268. The cubic root of 42706084 is about 349.5397596879.

The spelling of 42706084 in words is "forty-two million, seven hundred six thousand, eighty-four".