42630433 has 8 divisors (see below), whose sum is σ = 45338720. Its totient is φ = 39968640.

The previous prime is 42630421. The next prime is 42630437. The reversal of 42630433 is 33403624.

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

It is a cyclic number.

It is not a de Polignac number, because 42630433 - 2⁹ = 42629921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42630398 and 42630407.

It is not an unprimeable number, because it can be changed into a prime (42630437) 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, 9723 + ... + 13408.

It is an arithmetic number, because the mean of its divisors is an integer number (5667340).

Almost surely, 2^42630433 is an apocalyptic number.

It is an amenable number.

42630433 is a deficient number, since it is larger than the sum of its proper divisors (2708287).

42630433 is a wasteful number, since it uses less digits than its factorization.

42630433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23247.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 42630433 is about 6529.1984959871. The cubic root of 42630433 is about 349.3332421827. Note that the first 3 decimals are identical.

The spelling of 42630433 in words is "forty-two million, six hundred thirty thousand, four hundred thirty-three".