42978714 has 32 divisors (see below), whose sum is σ = 87744384. Its totient is φ = 14031360.

The previous prime is 42978659. The next prime is 42978721. The reversal of 42978714 is 41787924.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99042 + ... + 99474.

It is an arithmetic number, because the mean of its divisors is an integer number (2742012).

Almost surely, 2^42978714 is an apocalyptic number.

42978714 is an abundant number, since it is smaller than the sum of its proper divisors (44765670).

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

42978714 is a wasteful number, since it uses less digits than its factorization.

42978714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742.

The product of its digits is 112896, while the sum is 42.

The square root of 42978714 is about 6555.8152811073. The cubic root of 42978714 is about 350.2819877133.

The spelling of 42978714 in words is "forty-two million, nine hundred seventy-eight thousand, seven hundred fourteen".