42667033 has 4 divisors (see below), whose sum is σ = 44138340. Its totient is φ = 41195728.

The previous prime is 42667003. The next prime is 42667039. The reversal of 42667033 is 33076624.

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 22353984 + 20313049 = 4728^2 + 4507^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42667033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42666986 and 42667004.

It is not an unprimeable number, because it can be changed into a prime (42667039) 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, 735610 + ... + 735667.

It is an arithmetic number, because the mean of its divisors is an integer number (11034585).

Almost surely, 2^42667033 is an apocalyptic number.

It is an amenable number.

42667033 is a deficient number, since it is larger than the sum of its proper divisors (1471307).

42667033 is a wasteful number, since it uses less digits than its factorization.

42667033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471306.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 42667033 is about 6532.0006889161. Note that the first 3 decimals coincide. The cubic root of 42667033 is about 349.4331859593.

The spelling of 42667033 in words is "forty-two million, six hundred sixty-seven thousand, thirty-three".