42673631 has 32 divisors (see below), whose sum is σ = 58060800. Its totient is φ = 30286080.

The previous prime is 42673619. The next prime is 42673649. The reversal of 42673631 is 13637624.

It is not a de Polignac number, because 42673631 - 2⁶ = 42673567 is a prime.

It is a super-2 number, since 2×42673631² = 3642077565448322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42673681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88850 + ... + 89328.

It is an arithmetic number, because the mean of its divisors is an integer number (1814400).

Almost surely, 2^42673631 is an apocalyptic number.

42673631 is a deficient number, since it is larger than the sum of its proper divisors (15387169).

42673631 is a wasteful number, since it uses less digits than its factorization.

42673631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599.

The product of its digits is 18144, while the sum is 32.

The square root of 42673631 is about 6532.5057213905. The cubic root of 42673631 is about 349.4511970650.

The spelling of 42673631 in words is "forty-two million, six hundred seventy-three thousand, six hundred thirty-one".