42849067 has 2 divisors, whose sum is σ = 42849068. Its totient is φ = 42849066.

The previous prime is 42849049. The next prime is 42849083. The reversal of 42849067 is 76094824.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42849067 is a prime.

It is not a weakly prime, because it can be changed into another prime (42849017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21424533 + 21424534.

It is an arithmetic number, because the mean of its divisors is an integer number (21424534).

Almost surely, 2^42849067 is an apocalyptic number.

42849067 is a deficient number, since it is larger than the sum of its proper divisors (1).

42849067 is an equidigital number, since it uses as much as digits as its factorization.

42849067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 42849067 is about 6545.9198742423. The cubic root of 42849067 is about 349.9294197815.

The spelling of 42849067 in words is "forty-two million, eight hundred forty-nine thousand, sixty-seven".