243425670 has 32 divisors (see below), whose sum is σ = 584648928. Its totient is φ = 64866048.

The previous prime is 243425657. The next prime is 243425717. The reversal of 243425670 is 76524342.

It is a super-3 number, since 3×243425670³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent 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, 62212 + ... + 66008.

It is an arithmetic number, because the mean of its divisors is an integer number (18270279).

Almost surely, 2^243425670 is an apocalyptic number.

243425670 is an abundant number, since it is smaller than the sum of its proper divisors (341223258).

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

243425670 is a wasteful number, since it uses less digits than its factorization.

243425670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5944.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 243425670 is about 15602.1046657174. The cubic root of 243425670 is about 624.3893085505.

The spelling of 243425670 in words is "two hundred forty-three million, four hundred twenty-five thousand, six hundred seventy".