42267773 has 2 divisors, whose sum is σ = 42267774. Its totient is φ = 42267772.

The previous prime is 42267749. The next prime is 42267781. The reversal of 42267773 is 37776224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26759929 + 15507844 = 5173^2 + 3938^2 .

It is a cyclic number.

It is not a de Polignac number, because 42267773 - 2⁸ = 42267517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42267713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21133886 + 21133887.

It is an arithmetic number, because the mean of its divisors is an integer number (21133887).

Almost surely, 2^42267773 is an apocalyptic number.

It is an amenable number.

42267773 is a deficient number, since it is larger than the sum of its proper divisors (1).

42267773 is an equidigital number, since it uses as much as digits as its factorization.

42267773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98784, while the sum is 38.

The square root of 42267773 is about 6501.3670100987. The cubic root of 42267773 is about 348.3398192261.

The spelling of 42267773 in words is "forty-two million, two hundred sixty-seven thousand, seven hundred seventy-three".