42206773 has 8 divisors (see below), whose sum is σ = 48278592. Its totient is φ = 36145536.

The previous prime is 42206719. The next prime is 42206797. The reversal of 42206773 is 37760224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42206773 - 2¹⁷ = 42075701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42206473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9861 + ... + 13477.

It is an arithmetic number, because the mean of its divisors is an integer number (6034824).

Almost surely, 2^42206773 is an apocalyptic number.

It is an amenable number.

42206773 is a deficient number, since it is larger than the sum of its proper divisors (6071819).

42206773 is a wasteful number, since it uses less digits than its factorization.

42206773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 42206773 is about 6496.6739952071. The cubic root of 42206773 is about 348.1721662083.

Adding to 42206773 its reverse (37760224), we get a palindrome (79966997).

The spelling of 42206773 in words is "forty-two million, two hundred six thousand, seven hundred seventy-three".