42673633 has 4 divisors (see below), whose sum is σ = 43072560. Its totient is φ = 42274708.

The previous prime is 42673619. The next prime is 42673649. The reversal of 42673633 is 33637624.

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 42673633 - 2⁹ = 42673121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42673613) 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, 199303 + ... + 199516.

It is an arithmetic number, because the mean of its divisors is an integer number (10768140).

Almost surely, 2^42673633 is an apocalyptic number.

It is an amenable number.

42673633 is a deficient number, since it is larger than the sum of its proper divisors (398927).

42673633 is a wasteful number, since it uses less digits than its factorization.

42673633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398926.

The product of its digits is 54432, while the sum is 34.

The square root of 42673633 is about 6532.5058744711. The cubic root of 42673633 is about 349.4512025243.

The spelling of 42673633 in words is "forty-two million, six hundred seventy-three thousand, six hundred thirty-three".