42620033 has 4 divisors (see below), whose sum is σ = 43659588. Its totient is φ = 41580480.

The previous prime is 42620027. The next prime is 42620063. The reversal of 42620033 is 33002624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6235009 + 36385024 = 2497^2 + 6032^2 .

It is a cyclic number.

It is not a de Polignac number, because 42620033 - 2⁸ = 42619777 is a prime.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 42619987 and 42620014.

It is not an unprimeable number, because it can be changed into a prime (42620063) 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, 519716 + ... + 519797.

It is an arithmetic number, because the mean of its divisors is an integer number (10914897).

Almost surely, 2^42620033 is an apocalyptic number.

It is an amenable number.

42620033 is a deficient number, since it is larger than the sum of its proper divisors (1039555).

42620033 is a wasteful number, since it uses less digits than its factorization.

42620033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039554.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 42620033 is about 6528.4020249982. The cubic root of 42620033 is about 349.3048324220.

Adding to 42620033 its reverse (33002624), we get a palindrome (75622657).

The spelling of 42620033 in words is "forty-two million, six hundred twenty thousand, thirty-three".