42727946 has 8 divisors (see below), whose sum is σ = 64446564. Its totient is φ = 21245760.

The previous prime is 42727931. The next prime is 42727957. The reversal of 42727946 is 64972724.

42727946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 26122321 + 16605625 = 5111^2 + 4075^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58655 + ... + 59378.

Almost surely, 2^42727946 is an apocalyptic number.

42727946 is a deficient number, since it is larger than the sum of its proper divisors (21718618).

42727946 is a wasteful number, since it uses less digits than its factorization.

42727946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118216.

The product of its digits is 169344, while the sum is 41.

The square root of 42727946 is about 6536.6616862126. The cubic root of 42727946 is about 349.5993947087.

The spelling of 42727946 in words is "forty-two million, seven hundred twenty-seven thousand, nine hundred forty-six".