42586073 has 4 divisors (see below), whose sum is σ = 42683520. Its totient is φ = 42488628.

The previous prime is 42586067. The next prime is 42586099. The reversal of 42586073 is 37068524.

It is a happy number.

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 42586073 - 2⁶ = 42586009 is a prime.

It is a super-2 number, since 2×42586073² = 3627147227122658, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42586043) 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, 48065 + ... + 48942.

It is an arithmetic number, because the mean of its divisors is an integer number (10670880).

Almost surely, 2^42586073 is an apocalyptic number.

It is an amenable number.

42586073 is a deficient number, since it is larger than the sum of its proper divisors (97447).

42586073 is an equidigital number, since it uses as much as digits as its factorization.

42586073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97446.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 42586073 is about 6525.8005639155. The cubic root of 42586073 is about 349.2120314287.

The spelling of 42586073 in words is "forty-two million, five hundred eighty-six thousand, seventy-three".