42172683 has 24 divisors (see below), whose sum is σ = 66657168. Its totient is φ = 23639616.

The previous prime is 42172673. The next prime is 42172717. The reversal of 42172683 is 38627124.

It is not a de Polignac number, because 42172683 - 2⁴ = 42172667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42172643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5085 + ... + 10497.

It is an arithmetic number, because the mean of its divisors is an integer number (2777382).

Almost surely, 2^42172683 is an apocalyptic number.

42172683 is a deficient number, since it is larger than the sum of its proper divisors (24484485).

42172683 is a wasteful number, since it uses less digits than its factorization.

42172683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5483 (or 5476 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 42172683 is about 6494.0498150230. The cubic root of 42172683 is about 348.0784025358.

The spelling of 42172683 in words is "forty-two million, one hundred seventy-two thousand, six hundred eighty-three".