42273106 has 4 divisors (see below), whose sum is σ = 63409662. Its totient is φ = 21136552.

The previous prime is 42273083. The next prime is 42273109. The reversal of 42273106 is 60137224.

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

It can be written as a sum of positive squares in only one way, i.e., 28143025 + 14130081 = 5305^2 + 3759^2 .

It is not an unprimeable number, because it can be changed into a prime (42273109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10568275 + ... + 10568278.

Almost surely, 2^42273106 is an apocalyptic number.

42273106 is a deficient number, since it is larger than the sum of its proper divisors (21136556).

42273106 is a wasteful number, since it uses less digits than its factorization.

42273106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21136555.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 42273106 is about 6501.7771416744. Note that the first 3 decimals coincide. The cubic root of 42273106 is about 348.3544688279.

The spelling of 42273106 in words is "forty-two million, two hundred seventy-three thousand, one hundred six".