42665833 has 4 divisors (see below), whose sum is σ = 48760960. Its totient is φ = 36570708.

The previous prime is 42665807. The next prime is 42665867. The reversal of 42665833 is 33856624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42665833 - 2⁹ = 42665321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42665792 and 42665801.

It is not an unprimeable number, because it can be changed into a prime (42665803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3047553 + ... + 3047566.

It is an arithmetic number, because the mean of its divisors is an integer number (12190240).

Almost surely, 2^42665833 is an apocalyptic number.

It is an amenable number.

42665833 is a deficient number, since it is larger than the sum of its proper divisors (6095127).

42665833 is an equidigital number, since it uses as much as digits as its factorization.

42665833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6095126.

The product of its digits is 103680, while the sum is 37.

The square root of 42665833 is about 6531.9088327992. The cubic root of 42665833 is about 349.4299100206.

The spelling of 42665833 in words is "forty-two million, six hundred sixty-five thousand, eight hundred thirty-three".