172608067 has 2 divisors, whose sum is σ = 172608068. Its totient is φ = 172608066.

The previous prime is 172608061. The next prime is 172608083. The reversal of 172608067 is 760806271.

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-172608067 is a prime.

It is equal to p_9640783 and since 172608067 and 9640783 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (172608061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86304033 + 86304034.

It is an arithmetic number, because the mean of its divisors is an integer number (86304034).

Almost surely, 2^172608067 is an apocalyptic number.

172608067 is a deficient number, since it is larger than the sum of its proper divisors (1).

172608067 is an equidigital number, since it uses as much as digits as its factorization.

172608067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 172608067 is about 13138.0389328088. The cubic root of 172608067 is about 556.7843627855.

The spelling of 172608067 in words is "one hundred seventy-two million, six hundred eight thousand, sixty-seven".