199994753 has 8 divisors (see below), whose sum is σ = 229018560. Its totient is φ = 171084240.

The previous prime is 199994723. The next prime is 199994771. The reversal of 199994753 is 357499991.

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 199994753 - 2⁶ = 199994689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199994723) 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, 24503 + ... + 31628.

It is an arithmetic number, because the mean of its divisors is an integer number (28627320).

Almost surely, 2^199994753 is an apocalyptic number.

It is an amenable number.

199994753 is a deficient number, since it is larger than the sum of its proper divisors (29023807).

199994753 is an equidigital number, since it uses as much as digits as its factorization.

199994753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56647.

The product of its digits is 2755620, while the sum is 56.

The square root of 199994753 is about 14141.9501130502. The cubic root of 199994753 is about 584.7984334908.

The spelling of 199994753 in words is "one hundred ninety-nine million, nine hundred ninety-four thousand, seven hundred fifty-three".