999994727 has 4 divisors (see below), whose sum is σ = 1000059720. Its totient is φ = 999929736.

The previous prime is 999994703. The next prime is 999994741. The reversal of 999994727 is 727499999.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 727499999 = 1289 ⋅564391.

It is a cyclic number.

It is not a de Polignac number, because 999994727 - 2¹² = 999990631 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 (999994747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5024 + ... + 45002.

It is an arithmetic number, because the mean of its divisors is an integer number (250014930).

Almost surely, 2^999994727 is an apocalyptic number.

999994727 is a deficient number, since it is larger than the sum of its proper divisors (64993).

999994727 is a wasteful number, since it uses less digits than its factorization.

999994727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64992.

The product of its digits is 23147208, while the sum is 65.

The square root of 999994727 is about 31622.6932281234. The cubic root of 999994727 is about 999.9982423302.

The spelling of 999994727 in words is "nine hundred ninety-nine million, nine hundred ninety-four thousand, seven hundred twenty-seven".