842975743 has 2 divisors, whose sum is σ = 842975744. Its totient is φ = 842975742.

The previous prime is 842975729. The next prime is 842975761. The reversal of 842975743 is 347579248.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 842975743 - 2⁵ = 842975711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842975443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421487871 + 421487872.

It is an arithmetic number, because the mean of its divisors is an integer number (421487872).

Almost surely, 2^842975743 is an apocalyptic number.

842975743 is a deficient number, since it is larger than the sum of its proper divisors (1).

842975743 is an equidigital number, since it uses as much as digits as its factorization.

842975743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 49.

The square root of 842975743 is about 29034.0445511816. The cubic root of 842975743 is about 944.6516611306.

The spelling of 842975743 in words is "eight hundred forty-two million, nine hundred seventy-five thousand, seven hundred forty-three".