42738341 has 2 divisors, whose sum is σ = 42738342. Its totient is φ = 42738340.

The previous prime is 42738337. The next prime is 42738343. The reversal of 42738341 is 14383724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26368225 + 16370116 = 5135^2 + 4046^2 .

It is a cyclic number.

It is not a de Polignac number, because 42738341 - 2² = 42738337 is a prime.

Together with 42738343, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42738298 and 42738307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42738343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21369170 + 21369171.

It is an arithmetic number, because the mean of its divisors is an integer number (21369171).

Almost surely, 2^42738341 is an apocalyptic number.

It is an amenable number.

42738341 is a deficient number, since it is larger than the sum of its proper divisors (1).

42738341 is an equidigital number, since it uses as much as digits as its factorization.

42738341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 32.

The square root of 42738341 is about 6537.4567684995. The cubic root of 42738341 is about 349.6277429865.

The spelling of 42738341 in words is "forty-two million, seven hundred thirty-eight thousand, three hundred forty-one".