42966773 has 2 divisors, whose sum is σ = 42966774. Its totient is φ = 42966772.

The previous prime is 42966751. The next prime is 42966793. The reversal of 42966773 is 37766924.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42941809 + 24964 = 6553^2 + 158^2 .

It is a cyclic number.

It is not a de Polignac number, because 42966773 - 2⁶ = 42966709 is a prime.

It is a super-2 number, since 2×42966773² = 3692287164067058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42966793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21483386 + 21483387.

It is an arithmetic number, because the mean of its divisors is an integer number (21483387).

Almost surely, 2^42966773 is an apocalyptic number.

It is an amenable number.

42966773 is a deficient number, since it is larger than the sum of its proper divisors (1).

42966773 is an equidigital number, since it uses as much as digits as its factorization.

42966773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 44.

The square root of 42966773 is about 6554.9044996857. The cubic root of 42966773 is about 350.2495444854.

The spelling of 42966773 in words is "forty-two million, nine hundred sixty-six thousand, seven hundred seventy-three".