42695761 has 2 divisors, whose sum is σ = 42695762. Its totient is φ = 42695760.

The previous prime is 42695753. The next prime is 42695813. The reversal of 42695761 is 16759624.

42695761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40564161 + 2131600 = 6369^2 + 1460^2 .

It is a cyclic number.

It is not a de Polignac number, because 42695761 - 2³ = 42695753 is a prime.

It is not a weakly prime, because it can be changed into another prime (42695161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21347880 + 21347881.

It is an arithmetic number, because the mean of its divisors is an integer number (21347881).

Almost surely, 2^42695761 is an apocalyptic number.

It is an amenable number.

42695761 is a deficient number, since it is larger than the sum of its proper divisors (1).

42695761 is an equidigital number, since it uses as much as digits as its factorization.

42695761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 42695761 is about 6534.1993388632. The cubic root of 42695761 is about 349.5115936018.

The spelling of 42695761 in words is "forty-two million, six hundred ninety-five thousand, seven hundred sixty-one".