42836347 has 2 divisors, whose sum is σ = 42836348. Its totient is φ = 42836346.

The previous prime is 42836341. The next prime is 42836363. The reversal of 42836347 is 74363824.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42836347 is a prime.

It is not a weakly prime, because it can be changed into another prime (42836341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21418173 + 21418174.

It is an arithmetic number, because the mean of its divisors is an integer number (21418174).

Almost surely, 2^42836347 is an apocalyptic number.

42836347 is a deficient number, since it is larger than the sum of its proper divisors (1).

42836347 is an equidigital number, since it uses as much as digits as its factorization.

42836347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 37.

The square root of 42836347 is about 6544.9482045315. The cubic root of 42836347 is about 349.8947901458.

The spelling of 42836347 in words is "forty-two million, eight hundred thirty-six thousand, three hundred forty-seven".