42648785 has 16 divisors (see below), whose sum is σ = 53813376. Its totient is φ = 32385408.

The previous prime is 42648773. The next prime is 42648791. The reversal of 42648785 is 58784624.

It is a cyclic number.

It is not a de Polignac number, because 42648785 - 2⁴ = 42648769 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 14402 + ... + 17108.

It is an arithmetic number, because the mean of its divisors is an integer number (3363336).

Almost surely, 2^42648785 is an apocalyptic number.

It is an amenable number.

42648785 is a deficient number, since it is larger than the sum of its proper divisors (11164591).

42648785 is a wasteful number, since it uses less digits than its factorization.

42648785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872.

The product of its digits is 430080, while the sum is 44.

The square root of 42648785 is about 6530.6037240059. The cubic root of 42648785 is about 349.3833632150.

The spelling of 42648785 in words is "forty-two million, six hundred forty-eight thousand, seven hundred eighty-five".