67473563 has 2 divisors, whose sum is σ = 67473564. Its totient is φ = 67473562.

The previous prime is 67473557. The next prime is 67473589. The reversal of 67473563 is 36537476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67473563 - 2⁴ = 67473547 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 67473563.

It is not a weakly prime, because it can be changed into another prime (67470563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33736781 + 33736782.

It is an arithmetic number, because the mean of its divisors is an integer number (33736782).

Almost surely, 2^67473563 is an apocalyptic number.

67473563 is a deficient number, since it is larger than the sum of its proper divisors (1).

67473563 is an equidigital number, since it uses as much as digits as its factorization.

67473563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 41.

The square root of 67473563 is about 8214.2293004274. The cubic root of 67473563 is about 407.1094792083.

The spelling of 67473563 in words is "sixty-seven million, four hundred seventy-three thousand, five hundred sixty-three".