99749773 has 8 divisors (see below), whose sum is σ = 100449720. Its totient is φ = 99052800.

The previous prime is 99749759. The next prime is 99749789. The reversal of 99749773 is 37794799.

It can be written as a sum of positive squares in 4 ways, for example, as 9604 + 99740169 = 98^2 + 9987^2 .

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 99749773 - 2⁹ = 99749261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99749173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161361 + ... + 161977.

It is an arithmetic number, because the mean of its divisors is an integer number (12556215).

Almost surely, 2^99749773 is an apocalyptic number.

It is an amenable number.

99749773 is a deficient number, since it is larger than the sum of its proper divisors (699947).

99749773 is a wasteful number, since it uses less digits than its factorization.

99749773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487.

The product of its digits is 3000564, while the sum is 55.

The square root of 99749773 is about 9987.4808134985. The cubic root of 99749773 is about 463.7714097104.

The spelling of 99749773 in words is "ninety-nine million, seven hundred forty-nine thousand, seven hundred seventy-three".