99173365 has 8 divisors (see below), whose sum is σ = 119061720. Its totient is φ = 79302912.

The previous prime is 99173353. The next prime is 99173381. The reversal of 99173365 is 56337199.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17288964 + 81884401 = 4158^2 + 9049^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99173365 - 2¹⁹ = 98649077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17841 + ... + 22729.

It is an arithmetic number, because the mean of its divisors is an integer number (14882715).

Almost surely, 2^99173365 is an apocalyptic number.

It is an amenable number.

99173365 is a deficient number, since it is larger than the sum of its proper divisors (19888355).

99173365 is a wasteful number, since it uses less digits than its factorization.

99173365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8951.

The product of its digits is 153090, while the sum is 43.

The square root of 99173365 is about 9958.5824794496. The cubic root of 99173365 is about 462.8763763636.

The spelling of 99173365 in words is "ninety-nine million, one hundred seventy-three thousand, three hundred sixty-five".