108690473 has 2 divisors, whose sum is σ = 108690474. Its totient is φ = 108690472.

The previous prime is 108690437. The next prime is 108690487. The reversal of 108690473 is 374096801.

Together with previous prime (108690437) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85525504 + 23164969 = 9248^2 + 4813^2 .

It is a cyclic number.

It is not a de Polignac number, because 108690473 - 2¹⁴ = 108674089 is a prime.

It is not a weakly prime, because it can be changed into another prime (108690403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54345236 + 54345237.

It is an arithmetic number, because the mean of its divisors is an integer number (54345237).

Almost surely, 2^108690473 is an apocalyptic number.

It is an amenable number.

108690473 is a deficient number, since it is larger than the sum of its proper divisors (1).

108690473 is an equidigital number, since it uses as much as digits as its factorization.

108690473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 108690473 is about 10425.4723154397. The cubic root of 108690473 is about 477.2330285820.

The spelling of 108690473 in words is "one hundred eight million, six hundred ninety thousand, four hundred seventy-three".