67416863 has 2 divisors, whose sum is σ = 67416864. Its totient is φ = 67416862.

The previous prime is 67416859. The next prime is 67416907. The reversal of 67416863 is 36861476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67416863 - 2² = 67416859 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67416863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67416803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33708431 + 33708432.

It is an arithmetic number, because the mean of its divisors is an integer number (33708432).

Almost surely, 2^67416863 is an apocalyptic number.

67416863 is a deficient number, since it is larger than the sum of its proper divisors (1).

67416863 is an equidigital number, since it uses as much as digits as its factorization.

67416863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The square root of 67416863 is about 8210.7772470090. Note that the first 3 decimals coincide. The cubic root of 67416863 is about 406.9954119339.

The spelling of 67416863 in words is "sixty-seven million, four hundred sixteen thousand, eight hundred sixty-three".