109673873 has 4 divisors (see below), whose sum is σ = 110279988. Its totient is φ = 109067760.

The previous prime is 109673849. The next prime is 109673881. The reversal of 109673873 is 378376901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 378376901 = 7 ⋅54053843.

It can be written as a sum of positive squares in 2 ways, for example, as 24720784 + 84953089 = 4972^2 + 9217^2 .

It is a cyclic number.

It is not a de Polignac number, because 109673873 - 2²⁶ = 42565009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109672873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302786 + ... + 303147.

It is an arithmetic number, because the mean of its divisors is an integer number (27569997).

Almost surely, 2^109673873 is an apocalyptic number.

It is an amenable number.

109673873 is a deficient number, since it is larger than the sum of its proper divisors (606115).

109673873 is an equidigital number, since it uses as much as digits as its factorization.

109673873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606114.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 109673873 is about 10472.5294461271. The cubic root of 109673873 is about 478.6679983716.

The spelling of 109673873 in words is "one hundred nine million, six hundred seventy-three thousand, eight hundred seventy-three".