99730727 has 2 divisors, whose sum is σ = 99730728. Its totient is φ = 99730726.

The previous prime is 99730723. The next prime is 99730747. The reversal of 99730727 is 72703799.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99730727 - 2² = 99730723 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99730723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49865363 + 49865364.

It is an arithmetic number, because the mean of its divisors is an integer number (49865364).

Almost surely, 2^99730727 is an apocalyptic number.

99730727 is a deficient number, since it is larger than the sum of its proper divisors (1).

99730727 is an equidigital number, since it uses as much as digits as its factorization.

99730727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 166698, while the sum is 44.

The square root of 99730727 is about 9986.5272742831. The cubic root of 99730727 is about 463.7418906708.

The spelling of 99730727 in words is "ninety-nine million, seven hundred thirty thousand, seven hundred twenty-seven".