242725806 has 24 divisors (see below), whose sum is σ = 527435064. Its totient is φ = 80673360.

The previous prime is 242725799. The next prime is 242725811. The reversal of 242725806 is 608527242.

242725806 is a `hidden beast` number, since 2 + 4 + 2 + 72 + 580 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13185 + ... + 25676.

It is an arithmetic number, because the mean of its divisors is an integer number (21976461).

Almost surely, 2^242725806 is an apocalyptic number.

242725806 is an abundant number, since it is smaller than the sum of its proper divisors (284709258).

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

242725806 is a wasteful number, since it uses less digits than its factorization.

242725806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39216 (or 39213 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 242725806 is about 15579.6600091273. The cubic root of 242725806 is about 623.7903480847.

The spelling of 242725806 in words is "two hundred forty-two million, seven hundred twenty-five thousand, eight hundred six".