42927506 has 8 divisors (see below), whose sum is σ = 64595340. Its totient is φ = 21395728.

The previous prime is 42927487. The next prime is 42927539. The reversal of 42927506 is 60572924.

It can be written as a sum of positive squares in 2 ways, for example, as 29539225 + 13388281 = 5435^2 + 3659^2 .

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33221 + ... + 34488.

Almost surely, 2^42927506 is an apocalyptic number.

42927506 is a deficient number, since it is larger than the sum of its proper divisors (21667834).

42927506 is a wasteful number, since it uses less digits than its factorization.

42927506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68028.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 42927506 is about 6551.9085768957. The cubic root of 42927506 is about 350.1428151867.

The spelling of 42927506 in words is "forty-two million, nine hundred twenty-seven thousand, five hundred six".