42795719 has 2 divisors, whose sum is σ = 42795720. Its totient is φ = 42795718.

The previous prime is 42795691. The next prime is 42795757. The reversal of 42795719 is 91759724.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42795719 is a prime.

It is a super-2 number, since 2×42795719² = 3662947129453922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42795719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42795769) 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, 21397859 + 21397860.

It is an arithmetic number, because the mean of its divisors is an integer number (21397860).

Almost surely, 2^42795719 is an apocalyptic number.

42795719 is a deficient number, since it is larger than the sum of its proper divisors (1).

42795719 is an equidigital number, since it uses as much as digits as its factorization.

42795719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 44.

The square root of 42795719 is about 6541.8437003646. The cubic root of 42795719 is about 349.7841362804.

The spelling of 42795719 in words is "forty-two million, seven hundred ninety-five thousand, seven hundred nineteen".