42761473 has 2 divisors, whose sum is σ = 42761474. Its totient is φ = 42761472.

The previous prime is 42761417. The next prime is 42761491. The reversal of 42761473 is 37416724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42614784 + 146689 = 6528^2 + 383^2 .

It is a cyclic number.

It is not a de Polignac number, because 42761473 - 2⁹ = 42760961 is a prime.

It is not a weakly prime, because it can be changed into another prime (42761773) 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 as a sum of consecutive naturals, namely, 21380736 + 21380737.

It is an arithmetic number, because the mean of its divisors is an integer number (21380737).

Almost surely, 2^42761473 is an apocalyptic number.

It is an amenable number.

42761473 is a deficient number, since it is larger than the sum of its proper divisors (1).

42761473 is an equidigital number, since it uses as much as digits as its factorization.

42761473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 34.

The square root of 42761473 is about 6539.2257186918. The cubic root of 42761473 is about 349.6908099351.

It can be divided in two parts, 42761 and 473, that added together give a palindrome (43234).

The spelling of 42761473 in words is "forty-two million, seven hundred sixty-one thousand, four hundred seventy-three".