99949727 has 4 divisors (see below), whose sum is σ = 100473216. Its totient is φ = 99426240.

The previous prime is 99949711. The next prime is 99949771. The reversal of 99949727 is 72794999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72794999 = 8527 ⋅8537.

It is a cyclic number.

It is not a de Polignac number, because 99949727 - 2⁴ = 99949711 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 (99949027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261458 + ... + 261839.

It is an arithmetic number, because the mean of its divisors is an integer number (25118304).

Almost surely, 2^99949727 is an apocalyptic number.

99949727 is a deficient number, since it is larger than the sum of its proper divisors (523489).

99949727 is a wasteful number, since it uses less digits than its factorization.

99949727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523488.

The product of its digits is 2571912, while the sum is 56.

The square root of 99949727 is about 9997.4860339987. The cubic root of 99949727 is about 464.0810881247.

The spelling of 99949727 in words is "ninety-nine million, nine hundred forty-nine thousand, seven hundred twenty-seven".