42769697 has 2 divisors, whose sum is σ = 42769698. Its totient is φ = 42769696.

The previous prime is 42769691. The next prime is 42769711. The reversal of 42769697 is 79696724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36772096 + 5997601 = 6064^2 + 2449^2 .

It is a cyclic number.

It is not a de Polignac number, because 42769697 - 2⁶ = 42769633 is a prime.

It is not a weakly prime, because it can be changed into another prime (42769691) 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, 21384848 + 21384849.

It is an arithmetic number, because the mean of its divisors is an integer number (21384849).

Almost surely, 2^42769697 is an apocalyptic number.

It is an amenable number.

42769697 is a deficient number, since it is larger than the sum of its proper divisors (1).

42769697 is an equidigital number, since it uses as much as digits as its factorization.

42769697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 50.

The square root of 42769697 is about 6539.8545090850. The cubic root of 42769697 is about 349.7132263197.

The spelling of 42769697 in words is "forty-two million, seven hundred sixty-nine thousand, six hundred ninety-seven".