42528686 has 8 divisors (see below), whose sum is σ = 63821520. Its totient is φ = 21254848.

The previous prime is 42528671. The next prime is 42528751. The reversal of 42528686 is 68682524.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4295 + ... + 10173.

It is an arithmetic number, because the mean of its divisors is an integer number (7977690).

Almost surely, 2^42528686 is an apocalyptic number.

42528686 is a deficient number, since it is larger than the sum of its proper divisors (21292834).

42528686 is a wasteful number, since it uses less digits than its factorization.

42528686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9498.

The product of its digits is 184320, while the sum is 41.

The square root of 42528686 is about 6521.4021498448. The cubic root of 42528686 is about 349.0551003169.

The spelling of 42528686 in words is "forty-two million, five hundred twenty-eight thousand, six hundred eighty-six".