42798743 has 6 divisors (see below), whose sum is σ = 46344384. Its totient is φ = 39506376.

The previous prime is 42798737. The next prime is 42798781. The reversal of 42798743 is 34789724.

42798743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42798743 - 2⁴ = 42798727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42798694 and 42798703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42798703) 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 in 5 ways as a sum of consecutive naturals, for example, 126455 + ... + 126792.

It is an arithmetic number, because the mean of its divisors is an integer number (7724064).

Almost surely, 2^42798743 is an apocalyptic number.

42798743 is a deficient number, since it is larger than the sum of its proper divisors (3545641).

42798743 is a wasteful number, since it uses less digits than its factorization.

42798743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253273 (or 253260 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The square root of 42798743 is about 6542.0748237849. The cubic root of 42798743 is about 349.7923748172.

The spelling of 42798743 in words is "forty-two million, seven hundred ninety-eight thousand, seven hundred forty-three".