42082073 has 4 divisors (see below), whose sum is σ = 45907728. Its totient is φ = 38256420.

The previous prime is 42082069. The next prime is 42082081. The reversal of 42082073 is 37028024.

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 42082073 - 2² = 42082069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42082003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1912811 + ... + 1912832.

It is an arithmetic number, because the mean of its divisors is an integer number (11476932).

Almost surely, 2^42082073 is an apocalyptic number.

It is an amenable number.

42082073 is a deficient number, since it is larger than the sum of its proper divisors (3825655).

42082073 is a wasteful number, since it uses less digits than its factorization.

42082073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825654.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 42082073 is about 6487.0696774430. The cubic root of 42082073 is about 347.8289361612.

The spelling of 42082073 in words is "forty-two million, eighty-two thousand, seventy-three".