42718667 has 2 divisors, whose sum is σ = 42718668. Its totient is φ = 42718666.

The previous prime is 42718639. The next prime is 42718673. The reversal of 42718667 is 76681724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42718667 - 2²⁰ = 41670091 is a prime.

It is not a weakly prime, because it can be changed into another prime (42718367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21359333 + 21359334.

It is an arithmetic number, because the mean of its divisors is an integer number (21359334).

Almost surely, 2^42718667 is an apocalyptic number.

42718667 is a deficient number, since it is larger than the sum of its proper divisors (1).

42718667 is an equidigital number, since it uses as much as digits as its factorization.

42718667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 41.

The square root of 42718667 is about 6535.9518817078. The cubic root of 42718667 is about 349.5740859983.

The spelling of 42718667 in words is "forty-two million, seven hundred eighteen thousand, six hundred sixty-seven".