42685233 has 8 divisors (see below), whose sum is σ = 58749696. Its totient is φ = 27538800.

The previous prime is 42685219. The next prime is 42685241. The reversal of 42685233 is 33258624.

It is a happy number.

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

It is not a de Polignac number, because 42685233 - 2⁶ = 42685169 is a prime.

It is a super-3 number, since 3×42685233³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42685194 and 42685203.

It is not an unprimeable number, because it can be changed into a prime (42685273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229398 + ... + 229583.

It is an arithmetic number, because the mean of its divisors is an integer number (7343712).

Almost surely, 2^42685233 is an apocalyptic number.

It is an amenable number.

42685233 is a deficient number, since it is larger than the sum of its proper divisors (16064463).

42685233 is a wasteful number, since it uses less digits than its factorization.

42685233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459015.

The product of its digits is 34560, while the sum is 33.

The square root of 42685233 is about 6533.3936816941. The cubic root of 42685233 is about 349.4828635010.

The spelling of 42685233 in words is "forty-two million, six hundred eighty-five thousand, two hundred thirty-three".