42791759 has 2 divisors, whose sum is σ = 42791760. Its totient is φ = 42791758.

The previous prime is 42791711. The next prime is 42791773. The reversal of 42791759 is 95719724.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42791759 is a prime.

It is a super-2 number, since 2×42791759² = 3662269276628162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42791779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21395879 + 21395880.

It is an arithmetic number, because the mean of its divisors is an integer number (21395880).

Almost surely, 2^42791759 is an apocalyptic number.

42791759 is a deficient number, since it is larger than the sum of its proper divisors (1).

42791759 is an equidigital number, since it uses as much as digits as its factorization.

42791759 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 42791759 is about 6541.5410263943. The cubic root of 42791759 is about 349.7733471335.

The spelling of 42791759 in words is "forty-two million, seven hundred ninety-one thousand, seven hundred fifty-nine".